diff --git a/.gitignore b/.gitignore
index 0370b9f73f48d4fc6e2e303a5e5293974864955c..0ffad1fd82a5435de017aacbe88c1336683916f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -177,7 +177,7 @@ cifar-10-python.tar.gz
 /coverage
 
 # production
-/build
+# /build
 
 # misc
 .DS_Store
@@ -203,4 +203,8 @@ celerybeat.pid
 *.sage.py
 
 **/test
-**/train
\ No newline at end of file
+**/train
+
+# user uplaod
+/react_backend/child_networks
+/react_backend/policy.txt
\ No newline at end of file
diff --git a/backend_react/.flaskenv b/backend_react/.flaskenv
deleted file mode 100644
index 89ab8b9bcc57b84b7f1b783246f01f27a176b3b7..0000000000000000000000000000000000000000
--- a/backend_react/.flaskenv
+++ /dev/null
@@ -1,3 +0,0 @@
-FLASK_APP=react_app.py
-FLASK_ENV=development
-FLASK_DEBUG=1 flask run --no-reload
\ No newline at end of file
diff --git a/backend_react/child_networks/CIFAR100_v1.txt b/backend_react/child_networks/CIFAR100_v1.txt
deleted file mode 100644
index 36dc2c4e8ccf108ac3577ceaf3886318568a477d..0000000000000000000000000000000000000000
--- a/backend_react/child_networks/CIFAR100_v1.txt
+++ /dev/null
@@ -1 +0,0 @@
-0.2093,0.2211,0.2119,0.2104,0.2115,0.2079,0.2094,0.2219,0.218,0.2188
\ No newline at end of file
diff --git a/backend_react/child_networks/CIFAR100_v2.txt b/backend_react/child_networks/CIFAR100_v2.txt
deleted file mode 100644
index d9a62099b8c0bcedfd1a6a3c8b60e238dde0a40e..0000000000000000000000000000000000000000
--- a/backend_react/child_networks/CIFAR100_v2.txt
+++ /dev/null
@@ -1 +0,0 @@
-0.19934545454545455,0.19519090909090908,0.19935454545454545,0.19381818181818183,0.18769999999999998,0.19858181818181822,0.19459090909090906,0.18030000000000002,0.17654545454545453,0.2042909090909091
\ No newline at end of file
diff --git a/backend_react/child_networks/place_holder b/backend_react/child_networks/place_holder
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/backend_react/policy.txt b/backend_react/policy.txt
deleted file mode 100644
index ba1f82e0664d8cca0732c7db753ac93c122986de..0000000000000000000000000000000000000000
--- a/backend_react/policy.txt
+++ /dev/null
@@ -1 +0,0 @@
-0.7018545454545454,0.6530636363636364,0.6565090909090909,0.7029727272727273,0.6615000000000001,0.6610181818181818,0.6333545454545454,0.6617909090909091,0.6584636363636364,0.6933909090909091
\ No newline at end of file
diff --git a/backend_react/react_app.py b/backend_react/react_app.py
deleted file mode 100644
index dea4b61729aad5bddb85752d6a4c918d9d70f83b..0000000000000000000000000000000000000000
--- a/backend_react/react_app.py
+++ /dev/null
@@ -1,166 +0,0 @@
-from dataclasses import dataclass
-from flask import Flask, request, current_app, send_file
-# from flask_cors import CORS
-import os
-import zipfile
-
-import torch
-from numpy import save, load
-import temp_util.wapp_util as wapp_util
-import time
-
-import os
-import sys
-sys.path.insert(0, os.path.abspath('..'))
-torch.manual_seed(0)
-
-print('@@@ import successful')
-
-app = Flask(__name__)
-
-
-# it is used to collect user input and store them in the app
-@app.route('/home', methods=["GET", "POST"])
-def get_form_data():
-    print('@@@ in Flask Home')
-    # form_data = request.get_json() 
-    # form_data = request.files['ds_upload'] 
-    # print('@@@ form_data', form_data) 
- 
-    form_data = request.form
-    print('@@@ this is form data', form_data)
-
-    # required input
-    ds = form_data['select_dataset'] # pick dataset (MNIST, KMNIST, FashionMNIST, CIFAR10, CIFAR100)
-    IsLeNet = form_data["select_network"]   # using LeNet or EasyNet or SimpleNet ->> default 
-    auto_aug_learner = form_data["select_learner"] # augmentation methods to be excluded
-
-    print('@@@ required user input:', 'ds', ds, 'IsLeNet:', IsLeNet, 'auto_aug_leanrer:',auto_aug_learner)
-    # advanced input
-    if form_data['batch_size'] != 'undefined': 
-        batch_size = form_data['batch_size']       # size of batch the inner NN is trained with
-    else: 
-        batch_size = 1 # this is for demonstration purposes
-    if form_data['learning_rate'] != 'undefined': 
-        learning_rate =  form_data['learning_rate']  # fix learning rate
-    else: 
-        learning_rate = 10-1
-    if form_data['toy_size'] != 'undefined': 
-        toy_size = form_data['toy_size']      # total propeortion of training and test set we use
-    else: 
-        toy_size = 1 # this is for demonstration purposes
-    if form_data['iterations'] != 'undefined': 
-        iterations = form_data['iterations']      # total iterations, should be more than the number of policies
-    else: 
-        iterations = 10
-    exclude_method = form_data['select_action']
-    print('@@@ advanced search: batch_size:', batch_size, 'learning_rate:', learning_rate, 'toy_size:', toy_size, 'iterations:', iterations, 'exclude_method', exclude_method)
-    
-
-    # default values 
-    max_epochs = 10      # max number of epochs that is run if early stopping is not hit
-    early_stop_num = 10   # max number of worse validation scores before early stopping is triggered
-    num_policies = 5      # fix number of policies
-    num_sub_policies = 5  # fix number of sub-policies in a policy
-    
-    
-    # if user upload datasets and networks, save them in the database
-    if ds == 'Other':
-        ds_folder = request.files['ds_upload'] 
-        print('!!!ds_folder', ds_folder)
-        ds_name_zip = ds_folder.filename
-        ds_name = ds_name_zip.split('.')[0]
-        ds_folder.save('./datasets/'+ ds_name_zip)
-        with zipfile.ZipFile('./datasets/'+ ds_name_zip, 'r') as zip_ref:
-            zip_ref.extractall('./datasets/upload_dataset/')
-        if not current_app.debug:
-            os.remove(f'./datasets/{ds_name_zip}')
-    else: 
-        ds_name_zip = None
-        ds_name = None
-
-    # test if uploaded dataset meets the criteria 
-    for (dirpath, dirnames, filenames) in os.walk(f'./datasets/upload_dataset/{ds_name}/'):
-        for dirname in dirnames:
-            if dirname[0:6] != 'class_':
-                return None # neet to change render to a 'failed dataset webpage'
-
-    # save the user uploaded network
-    if IsLeNet == 'Other':
-        childnetwork = request.files['network_upload']
-        childnetwork.save('./child_networks/'+childnetwork.filename)
-        network_name = childnetwork.filename
-    else: 
-        network_name = None
-
-    
-    print("@@@ user input has all stored in the app")
-
-    data = {'ds': ds, 'ds_name': ds_name_zip, 'IsLeNet': IsLeNet, 'network_name': network_name,
-            'auto_aug_learner':auto_aug_learner, 'batch_size': batch_size, 'learning_rate': learning_rate, 
-            'toy_size':toy_size, 'iterations':iterations, 'exclude_method': exclude_method, }
-
-    current_app.config['data'] = data
-    
-    print('@@@ all data sent', current_app.config['data'])
-
-    # try this if you want it might work, it might not
-    # wapp_util.parse_users_learner_spec(
-    #                         num_policies,
-    #                         num_sub_policies,
-    #                         early_stop_num,
-    #                         max_epochs,
-    #                         **data,
-    #                         )
-
-    return {'data': 'all stored'}
-
-
-
-
-# ========================================================================
-@app.route('/confirm', methods=['POST', 'GET'])
-def confirm():
-    print('inside confirm page')
-    data = current_app.config['data']
-    return data
-
-
-
-
-# ========================================================================
-@app.route('/training', methods=['POST', 'GET'])
-def training():
-
-    # default values 
-    max_epochs = 10      # max number of epochs that is run if early stopping is not hit
-    early_stop_num = 10   # max number of worse validation scores before early stopping is triggered
-    num_policies = 5      # fix number of policies
-    num_sub_policies = 5  # fix number of sub-policies in a policy
-    data = current_app.config.get('data')
-
-    # fake training
-    print('pretend it is training')
-    time.sleep(3)
-    print('epoch: 1')
-    time.sleep(3)
-    print('epoch: 2')
-    time.sleep(3) 
-    print('epoch: 3')
-    print('it has finished training')
-
-    return {'status': 'Training is done!'}
-
-
-# ========================================================================
-@app.route('/result')
-def show_result():
-    file_path = "./policy.txt"
-    f = open(file_path, "r")
-    return send_file(file_path, as_attachment=True)
-
-
-
-
-if __name__ == '__main__':
-    app.run(debug=False, use_reloader=False)
\ No newline at end of file
diff --git a/package.json b/package.json
deleted file mode 100644
index ada7219e60444673f911e7644b5eb6df70b1bb8e..0000000000000000000000000000000000000000
--- a/package.json
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  "name": "react_app_metarl",
-  "version": "0.1.0",
-  "private": true,
-  "proxy": "http://localhost:5000",
-  "dependencies": {
-    "@emotion/react": "^11.9.0",
-    "@emotion/styled": "^11.8.1",
-    "@mui/icons-material": "^5.6.2",
-    "@mui/material": "^5.6.2",
-    "@mui/styled-engine-sc": "^5.6.1",
-    "@testing-library/jest-dom": "^5.16.4",
-    "@testing-library/react": "^13.1.1",
-    "@testing-library/user-event": "^13.5.0",
-    "axios": "^0.26.1",
-    "js-file-download": "^0.4.12",
-    "react": "^18.0.0",
-    "react-dom": "^18.0.0",
-    "react-hook-form": "^7.30.0",
-    "react-router-dom": "^6.3.0",
-    "react-scripts": "^5.0.1",
-    "styled-components": "^5.3.5",
-    "web-vitals": "^2.1.4"
-  },
-  "scripts": {
-    "start": "react-scripts start",
-    "start-backend": "cd backend && env/bin/flask run --no-debugger",
-    "build": "react-scripts build",
-    "test": "react-scripts test",
-    "eject": "react-scripts eject"
-  },
-  "eslintConfig": {
-    "extends": [
-      "react-app",
-      "react-app/jest"
-    ]
-  },
-  "browserslist": {
-    "production": [
-      ">0.2%",
-      "not dead",
-      "not op_mini all"
-    ],
-    "development": [
-      "last 1 chrome version",
-      "last 1 firefox version",
-      "last 1 safari version"
-    ]
-  }
-}
diff --git a/public/favicon.ico b/public/favicon.ico
deleted file mode 100644
index a11777cc471a4344702741ab1c8a588998b1311a..0000000000000000000000000000000000000000
Binary files a/public/favicon.ico and /dev/null differ
diff --git a/public/index.html b/public/index.html
deleted file mode 100644
index 1c1e3f6880b46342e213867822363d72ec9d293f..0000000000000000000000000000000000000000
--- a/public/index.html
+++ /dev/null
@@ -1,43 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="utf-8" />
-    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <meta name="theme-color" content="#000000" />
-    <meta
-      name="description"
-      content="Web site created using create-react-app"
-    />
-    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
-    <!--
-      manifest.json provides metadata used when your web app is installed on a
-      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-    -->
-    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
-    <!--
-      Notice the use of %PUBLIC_URL% in the tags above.
-      It will be replaced with the URL of the `public` folder during the build.
-      Only files inside the `public` folder can be referenced from the HTML.
-
-      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
-      work correctly both with client-side routing and a non-root public URL.
-      Learn how to configure a non-root public URL by running `npm run build`.
-    -->
-    <title>MetaRL for AutoAugmentation</title>
-  </head>
-  <body>
-    <noscript>You need to enable JavaScript to run this app.</noscript>
-    <div id="root"></div>
-    <!--
-      This HTML file is a template.
-      If you open it directly in the browser, you will see an empty page.
-
-      You can add webfonts, meta tags, or analytics to this file.
-      The build step will place the bundled scripts into the <body> tag.
-
-      To begin the development, run `npm start` or `yarn start`.
-      To create a production bundle, use `npm run build` or `yarn build`.
-    -->
-  </body>
-</html>
diff --git a/public/logo192.png b/public/logo192.png
deleted file mode 100644
index fc44b0a3796c0e0a64c3d858ca038bd4570465d9..0000000000000000000000000000000000000000
Binary files a/public/logo192.png and /dev/null differ
diff --git a/public/logo512.png b/public/logo512.png
deleted file mode 100644
index a4e47a6545bc15971f8f63fba70e4013df88a664..0000000000000000000000000000000000000000
Binary files a/public/logo512.png and /dev/null differ
diff --git a/public/manifest.json b/public/manifest.json
deleted file mode 100644
index 080d6c77ac21bb2ef88a6992b2b73ad93daaca92..0000000000000000000000000000000000000000
--- a/public/manifest.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "short_name": "React App",
-  "name": "Create React App Sample",
-  "icons": [
-    {
-      "src": "favicon.ico",
-      "sizes": "64x64 32x32 24x24 16x16",
-      "type": "image/x-icon"
-    },
-    {
-      "src": "logo192.png",
-      "type": "image/png",
-      "sizes": "192x192"
-    },
-    {
-      "src": "logo512.png",
-      "type": "image/png",
-      "sizes": "512x512"
-    }
-  ],
-  "start_url": ".",
-  "display": "standalone",
-  "theme_color": "#000000",
-  "background_color": "#ffffff"
-}
diff --git a/backend_react/__init__.py b/react_backend/__init__.py
similarity index 100%
rename from backend_react/__init__.py
rename to react_backend/__init__.py
diff --git a/setupProxy.js b/setupProxy.js
deleted file mode 100644
index 0b021257aca377b78503c40a9ccfb0a95197b16b..0000000000000000000000000000000000000000
--- a/setupProxy.js
+++ /dev/null
@@ -1,11 +0,0 @@
-const { createProxyMiddleware } = require('http-proxy-middleware');
-
-module.exports = function(app) {
-  app.use(
-    '/api',
-    createProxyMiddleware({
-      target: 'http://localhost:3000',
-      changeOrigin: true,
-    })
-  );
-};
\ No newline at end of file
diff --git a/src/App.css b/src/App.css
deleted file mode 100644
index 74b5e053450a48a6bdb4d71aad648e7af821975c..0000000000000000000000000000000000000000
--- a/src/App.css
+++ /dev/null
@@ -1,38 +0,0 @@
-.App {
-  text-align: center;
-}
-
-.App-logo {
-  height: 40vmin;
-  pointer-events: none;
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
-}
-
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
-}
-
-.App-link {
-  color: #61dafb;
-}
-
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}
diff --git a/src/App.js b/src/App.js
deleted file mode 100644
index 15ae090797af34edd330230308dae2b6cc7acee0..0000000000000000000000000000000000000000
--- a/src/App.js
+++ /dev/null
@@ -1,50 +0,0 @@
-import Home from './pages/Home'
-import Confirm from './pages/Confirm'
-import Progress from './pages/Progress'
-import Result from './pages/Result'
-import './App.css';
-import React, { useState, useEffect } from "react";
-import axios from "axios";
-import {BrowserRouter, Route, Routes, Switch} from 'react-router-dom';
-
-function App() {
-  // useEffect(() => {
-  //   console.log('print here')
-  //   fetch('/home', {
-  //     method: 'POST',
-  //     headers: { 'Content-Type': 'application/json' },
-  //     body: JSON.stringify({ })
-  //   })
-  //     .then((response) => response.text())
-  //     .then((data) => console.log('data', data));
-  // }, []);
-
-  // useEffect(() => {
-  //   fetch('/api').then(response =>{
-  //     if(response.ok){
-  //       return response.json()
-  //     }
-  //   }).then(data => console.log('api', data))
-  // }, [])
-
-  return (
-    <div>
-      {/* <Home /> */}
-      {/* <Confirm /> */}
-      {/* <Progress /> */}
-      {/* <Result /> */}
-      <BrowserRouter>
-        <Routes>
-          <Route exact path="/" element={<Home/>}/>
-          <Route exact path="/confirm" element={<Confirm/>}/>
-          <Route exact path="/progress" element={<Progress/>}/>
-          <Route exact path="/result" element={<Result/>}/>
-        </Routes>
-      </BrowserRouter>
-    </div>
-  );
-
-}
-
-
-export default App;
diff --git a/src/App.test.js b/src/App.test.js
deleted file mode 100644
index c27141590b6d828395f00d7d346d61bc46c82626..0000000000000000000000000000000000000000
--- a/src/App.test.js
+++ /dev/null
@@ -1,8 +0,0 @@
-import { render, screen } from '@testing-library/react';
-import App from './App';
-
-test('renders learn react link', () => {
-  render(<App />);
-  const linkElement = screen.getByText(/lol react/i);
-  expect(linkElement).toBeInTheDocument();
-});
diff --git a/src/components/pytest.png b/src/components/pytest.png
deleted file mode 100644
index 272b44ed38c9107f19c99dc9a5ac38593493604f..0000000000000000000000000000000000000000
Binary files a/src/components/pytest.png and /dev/null differ
diff --git a/src/index.css b/src/index.css
deleted file mode 100644
index ec2585e8c0bb8188184ed1e0703c4c8f2a8419b0..0000000000000000000000000000000000000000
--- a/src/index.css
+++ /dev/null
@@ -1,13 +0,0 @@
-body {
-  margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
-    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
-    sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-
-code {
-  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
-    monospace;
-}
diff --git a/src/index.js b/src/index.js
deleted file mode 100644
index d563c0fb10ba0e42724b21286eb546ee4e5734fc..0000000000000000000000000000000000000000
--- a/src/index.js
+++ /dev/null
@@ -1,17 +0,0 @@
-import React from 'react';
-import ReactDOM from 'react-dom/client';
-import './index.css';
-import App from './App';
-import reportWebVitals from './reportWebVitals';
-
-const root = ReactDOM.createRoot(document.getElementById('root'));
-root.render(
-  <React.StrictMode>
-    <App />
-  </React.StrictMode>
-);
-
-// If you want to start measuring performance in your app, pass a function
-// to log results (for example: reportWebVitals(console.log))
-// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
-reportWebVitals();
diff --git a/src/logo.svg b/src/logo.svg
deleted file mode 100644
index 9dfc1c058cebbef8b891c5062be6f31033d7d186..0000000000000000000000000000000000000000
--- a/src/logo.svg
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/src/pages/Confirm.js b/src/pages/Confirm.js
deleted file mode 100644
index 98ba0433a02e0df5fe16a5c8468525d811e16257..0000000000000000000000000000000000000000
--- a/src/pages/Confirm.js
+++ /dev/null
@@ -1,113 +0,0 @@
-import React, { useState, useEffect } from "react";
-import { Grid, ListItem, ListItemAvatar, ListItemText, Card, CardContent, Typography, Button } from '@mui/material';
-import CheckCircleOutlineRoundedIcon from '@mui/icons-material/CheckCircleOutlineRounded';
-import TuneRoundedIcon from '@mui/icons-material/TuneRounded';
-import {useNavigate, Route} from "react-router-dom";
-
-export default function Confirm() {
-    const [myData, setMyData] = useState([])
-    const [dataset, setDataset] = useState()
-    const [network, setNetwork] = useState()
-
-  useEffect(() => {
-    const res = fetch('/confirm').then(
-      response => response.json()
-      ).then(data => {setMyData(data);
-        if (data.ds == 'Other'){setDataset(data.ds_name)} else {setDataset(data.ds)};
-        if (data.IsLeNet == 'Other'){setNetwork(data.network_name)} else {setNetwork(data.IsLeNet)};
-    });
-  }, []);
-
-  let navigate = useNavigate();
-  const onSubmit = async () => {
-    navigate('/progress', {replace:true});
-  };
-
-    return (
-        <div className="App" style={{padding:"60px"}}>
-            <Typography gutterBottom variant="h3" align="center" >
-            Data Auto-Augmentation
-            </Typography>
-            <Grid>
-                <Card style={{ maxWidth: 900, padding: "10px 5px", margin: "0 auto" }}>
-                    <CardContent>
-                        <Typography gutterBottom variant="h6" align="left">
-                            Please confirm the following information:
-                        </Typography> 
-                        <Grid alignItems="center" justify="center" >
-                        <Grid style={{maxWidth: 700, padding: "20px 20px"}} container spacing={4} alignItems="center" >
-                        <Grid xs={12} sm={6} item> 
-                            <ListItem>
-                                <ListItemAvatar>
-                                    <TuneRoundedIcon color="primary" fontSize='large'/>
-                                </ListItemAvatar>
-                                <ListItemText primary="Batch size" secondary={myData.batch_size} />
-                            </ListItem>
-                        </Grid>
-                        <Grid xs={12} sm={6} item > 
-                            <ListItem>
-                                <ListItemAvatar>
-                                    <CheckCircleOutlineRoundedIcon color="primary" fontSize='large'/>
-                                </ListItemAvatar>
-                                <ListItemText primary="Dataset selection" secondary={dataset} />
-                            </ListItem>
-                        </Grid>
-                        <Grid xs={12} sm={6} item> 
-                            <ListItem>
-                                <ListItemAvatar>
-                                    <TuneRoundedIcon color="primary" fontSize='large'/>
-                                </ListItemAvatar>
-                                <ListItemText primary="Learning rate" secondary={myData.learning_rate} />
-                            </ListItem>
-                        </Grid>
-                        <Grid xs={12} sm={6} item> 
-                            <ListItem>
-                                <ListItemAvatar>
-                                    <CheckCircleOutlineRoundedIcon color="primary" fontSize='large'/>
-                                </ListItemAvatar>
-                                <ListItemText primary="Network selection" secondary={network} />
-                            </ListItem>
-                        </Grid>
-                        <Grid xs={12} sm={6} item> 
-                            <ListItem>
-                                <ListItemAvatar>
-                                    <TuneRoundedIcon color="primary" fontSize='large'/>
-                                </ListItemAvatar>
-                                <ListItemText primary="Dataset Proportion" secondary={myData.toy_size} />
-                            </ListItem>
-                        </Grid>
-                        <Grid xs={12} sm={6} item> 
-                            <ListItem>
-                                <ListItemAvatar>
-                                    <CheckCircleOutlineRoundedIcon color="primary" fontSize='large'/>
-                                </ListItemAvatar>
-                                <ListItemText primary="Auto-augment learner selection" secondary={myData.auto_aug_learner} />
-                            </ListItem>
-                        </Grid>
-                        <Grid xs={12} sm={6} item> 
-                            <ListItem>
-                                <ListItemAvatar>
-                                    <TuneRoundedIcon color="primary" fontSize='large'/>
-                                </ListItemAvatar>
-                                <ListItemText primary="Iterations" secondary={myData.iterations} />
-                            </ListItem>
-                        </Grid>
-                        </Grid>
-                        </Grid>
-                    
-                        <Button
-                            type="submit"
-                            variant="contained"
-                            color='success'
-                            size='large'
-                            onClick={onSubmit}
-                        >
-                            Confirm
-                        </Button>
-
-                    </CardContent>
-                </Card>
-            </Grid>
-        </div>
-    )
-}
\ No newline at end of file
diff --git a/src/pages/Home.js b/src/pages/Home.js
deleted file mode 100644
index 8b745e78e0f70703b5396ed3bf92b28aefeedd43..0000000000000000000000000000000000000000
--- a/src/pages/Home.js
+++ /dev/null
@@ -1,394 +0,0 @@
-import React, { useState, useEffect } from "react";
-import { Grid, RadioGroup, FormControlLabel, FormControl, FormLabel, Radio, Card, CardContent, Typography, AlertTitle } from '@mui/material';
-import {Button, TextField, Checkbox, Alert} from '@mui/material';
-import { useForm, Controller} from "react-hook-form";
-import SendIcon from '@mui/icons-material/Send';
-import { CardActions, Collapse, IconButton } from "@mui/material";
-import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
-import { styled } from '@mui/material/styles';
-import {useNavigate, Route} from "react-router-dom";
-
-
-
-
-const ExpandMore = styled((props) => {
-    const { expand, ...other } = props;
-    return <IconButton {...other} />;
-  })(({ theme, expand }) => ({
-    transform: !expand ? 'rotate(0deg)' : 'rotate(180deg)',
-    marginLeft: 'auto',
-    transition: theme.transitions.create('transform', {
-      duration: theme.transitions.duration.shortest,
-    }),
-  }));
-
-
-
-
-export default function Home() {
-    const [selectLearner, setSelectLearner] = useState([]);
-    const [selectAction, setSelectAction] = useState([]);
-
-    // for form submission  
-    const {register, control, handleSubmit, setValue, watch, formState: { errors, dirtyFields}} = useForm();
-    const watchFileds = watch(['select_dataset', 'select_network']);
-
-    let navigate = useNavigate();
-
-    const onSubmit = async (data) => {
-        console.log('data', data);
-
-        const formData = new FormData();
-
-        formData.append("ds_upload", data.ds_upload[0]);
-        formData.append("network_upload", data.network_upload[0]);
-        formData.append("batch_size", data.batch_size)
-        formData.append("toy_size", data.toy_size)
-        formData.append("iterations", data.iterations)
-        formData.append("learning_rate", data.learning_rate)
-        formData.append("select_action", data.select_action)
-        formData.append("select_dataset", data.select_dataset)
-        formData.append("select_learner", data.select_learner)
-        formData.append("select_network", data.select_network)
-
-        console.log('>>> this is the user input in formData')
-        for (var key of formData.entries()) {
-            console.log(key[0] + ', ' + key[1])}
-        
-        var responseClone
-        const res = await fetch('/home', {
-        method: 'POST',
-        body: formData
-        }).then((response) => response.json());
-        
-        navigate('/confirm', {replace:true});
-        // 
-        ///////// testing
-        // .then((response)=> {
-        //     responseClone = response.clone(); // 2
-        //     return response.json();
-        // })
-        // .then(function (data) {
-        //     console.log('data from flask', data)
-        // }, function (rejectionReason) { // 3
-        //     console.log('Error parsing JSON from response:', rejectionReason, responseClone); // 4
-        //     responseClone.text() // 5
-        //     .then(function (bodyText) {
-        //         console.log('Received the following instead of valid JSON:', bodyText); // 6
-        //     });
-        // });
-        
-    };
-
-    
-    // body: JSON.stringify(data)
-    // console.log('errors', errors); 
-    // console.log('handleSubmit', handleSubmit)
-
-    
-    // handling action selection
-    const handleActionSelect = (value) => {
-        const isPresent = selectAction.indexOf(value);
-        if (isPresent !== -1) {
-        const remaining = selectAction.filter((item) => item !== value);
-        setSelectAction(remaining);
-        } else {
-        setSelectAction((prevItems) => [...prevItems, value]);
-        }
-    };
-
-    useEffect(() => {
-        setValue('select_action', selectAction); 
-    }, [selectAction]);
-
-    // collpase
-    const [expanded, setExpanded] = React.useState(false);
-
-    const handleExpandClick = () => {
-        setExpanded(!expanded);
-    };
-
-        return (
-        <div className="App" style={{padding:"60px"}}> 
-            <Typography gutterBottom variant="h3" align="center" >
-            Data Auto-Augmentation
-            </Typography>
-            <Grid >
-                <form action="/home" method="POST" onSubmit={handleSubmit(onSubmit)}>
-                <Grid style={{padding:"30px 0px"}}>
-                    <Card style={{ maxWidth: 900, padding: "10px 5px", margin: "0 auto" }}>
-                        <CardContent>
-                            <Typography gutterBottom variant="h5" align="left">
-                                Dataset Uploading
-                            </Typography> 
-
-                            <FormControl style={{ maxWidth: 800, padding:"20px"}} error={Boolean(errors.select_dataset)}>
-                                <FormLabel id="select_dataset" align="left" variant="h6">
-                                    Please select the dataset you'd like to use here or select 'Other' if you would like to upload your own dataset
-                                </FormLabel>
-                                <Controller 
-                                        name='select_dataset'
-                                        control={control}
-                                        rules={{ required: true }}
-                                        render={({field: { onChange, value }}) => (
-                                    <RadioGroup
-                                        row
-                                        aria-labelledby="select_dataset"
-                                        // defaultValue="Other"
-                                        name="select_dataset"
-                                        align="centre"
-                                        value={value ?? ""} 
-                                        onChange={onChange}
-                                        >
-                                        <FormControlLabel value="MNIST" control={<Radio />} label="MNIST" />
-                                        <FormControlLabel value="KMNIST" control={<Radio />} label="KMNIST" />
-                                        <FormControlLabel value="FashionMNIST" control={<Radio />} label="FashionMNIST" />
-                                        <FormControlLabel value="CIFAR10" control={<Radio />} label="CIFAR10" />
-                                        <FormControlLabel value="CIFAR100" control={<Radio />} label="CIFAR100" />
-                                        <FormControlLabel value="Other" control={<Radio />} label="Other" />
-                                    </RadioGroup> 
-                                    )}
-                                />
-                                {errors.select_dataset && errors.select_dataset.type === "required" && 
-                                    <Alert severity="error">
-                                        <AlertTitle>This field is required</AlertTitle>
-                                    </Alert>}
-                                {watchFileds[0]!=='Other' && 
-                                    <input
-                                        {...register('ds_upload')}
-                                        name="ds_upload"
-                                        type="file"
-                                        hidden
-                                    />}
-                                {watchFileds[0]==='Other' &&
-                                    <Button
-                                    variant="contained"
-                                    component="label"
-                                    >
-                                    Upload File
-                                    <input
-                                        {...register('ds_upload')}
-                                        name="ds_upload"
-                                        type="file"
-                                        hidden
-                                    />
-                                    </Button>
-                                }
-                                {dirtyFields.ds_upload && <Alert severity="success" variant='outlined'>File Submitted</Alert>}
-                            </FormControl>
-                        </CardContent>
-                    </Card>
-                </Grid>
-                <Grid style={{padding:"30px 0px"}}>
-                    <Card style={{ maxWidth: 900, padding: "10px 5px", margin: "0 auto" }}>
-                        <CardContent>
-                            <Typography gutterBottom variant="h5" align="left">
-                                Network Uploading
-                            </Typography> 
-
-                            <FormControl style={{ maxWidth: 800, padding:"20px"}} error={Boolean(errors.select_network)}>
-                                <FormLabel id="select_network" align="left" variant="h6">
-                                    Please select the network you'd like to use here or select 'Other' if you would like to upload your own network
-                                </FormLabel>
-                                <Controller 
-                                        name='select_network'
-                                        control={control}
-                                        rules={{ required: true }}
-                                        render={({field: { onChange, value }}) => (
-                                    <RadioGroup
-                                        row
-                                        aria-labelledby="select_network"
-                                        name="select_network"
-                                        align="centre"
-                                        value={value ?? ""} 
-                                        onChange={onChange}
-                                        >
-                                        <FormControlLabel value="LeNet" control={<Radio />} label="LeNet" />
-                                        <FormControlLabel value="SimpleNet" control={<Radio />} label="SimpleNet" />
-                                        <FormControlLabel value="EasyNet" control={<Radio />} label="EasyNet" />
-                                        <FormControlLabel value="Other" control={<Radio />} label="Other" /> 
-                                    </RadioGroup> )}
-                                />
-                                {errors.select_network && errors.select_network.type === "required" && 
-                                    <Alert severity="error">
-                                        <AlertTitle>This field is required</AlertTitle>
-                                    </Alert>}
-                                <Typography style={{ maxWidth: 750}} variant="body2" color="textSecondary" component="p" gutterBottom align="left">
-                                    The networks provided above are for demonstration purposes. The relative training time is: LeNet {'>'} SimpleNet {'>'} EasyNet. 
-                                    We recommend you to choose EasyNet for a quick demonstration of how well our auto-augment agents can perform. 
-                                </Typography>
-                                {watchFileds[1]!=='Other' && 
-                                    <input
-                                        {...register('network_upload')}
-                                        name="network_upload"
-                                        type="file"
-                                        hidden
-                                    />}
-                                {watchFileds[1]==='Other' &&
-                                    <Button
-                                    variant="contained"
-                                    component="label"
-                                    >
-                                    Upload File
-                                    <input
-                                        {...register('network_upload')}
-                                        name="network_upload"
-                                        type="file"
-                                        hidden
-                                    />
-                                    </Button>
-                                }
-                                {dirtyFields.network_upload && <Alert severity="success" variant='outlined'>File Submitted</Alert>}
-                            </FormControl>
-                        </CardContent>
-                    </Card>
-                </Grid>
-
-                <Grid style={{padding:"30px 0px"}}>
-                    <Card style={{ maxWidth: 900, padding: "10px 5px", margin: "0 auto" }}>
-                        <CardContent>
-                            <Typography gutterBottom variant="h5" align="left">
-                                Auto-augment Learner Selection
-                            </Typography> 
-
-                            <FormControl style={{ maxWidth: 800, padding:"20px"}} error={Boolean(errors.select_learner)}>
-                                <FormLabel id="select_learner" align="left" variant="h6">
-                                    Please select the auto-augment learners you'd like to use (multiple learners can be selected)
-                                </FormLabel>
-                                <Controller 
-                                        name='select_learner'
-                                        control={control}
-                                        rules={{ required: true }}
-                                        render={({field: { onChange, value }}) => (
-                                    <RadioGroup
-                                        row
-                                        aria-labelledby="select_learner"
-                                        name="select_learner"
-                                        align="centre"
-                                        value={value ?? ""} 
-                                        onChange={onChange}
-                                        >
-                                        <FormControlLabel value="UCB learner" control={<Radio />} label="UCB learner" />
-                                        <FormControlLabel value="Evolutionary learner" control={<Radio />} label="Evolutionary learner" />
-                                        <FormControlLabel value="Random Searcher" control={<Radio />} label="Random Searcher" />
-                                        <FormControlLabel value="GRU Learner" control={<Radio />} label="GRU Learner" /> 
-                                    </RadioGroup> )}
-                                />
-                                {errors.select_learner && errors.select_learner.type === "required" && 
-                                    <Alert severity="error">
-                                        <AlertTitle>This field is required</AlertTitle>
-                                    </Alert>}
-                                <Typography style={{ maxWidth: 800}} variant="body2" color="textSecondary" component="p" gutterBottom align="left">
-                                    (give user some recommendation here...)
-                                </Typography>
-                            </FormControl>
-                        </CardContent>
-                    </Card>
-                </Grid>
-
-
-                <Grid style={{padding:"30px 0px", maxWidth: 900, margin: "0 auto"}}>
-                    <Card style={{ maxWidth: 900, padding: "10px 5px", margin: "0 auto" }}>
-                        <CardContent>
-                            <Typography variant="h5" align="left">
-                                Advanced Search
-                            </Typography>
-                        </CardContent>
-                        <CardActions disableSpacing>
-                            <ExpandMore
-                            expand={expanded}
-                            onClick={handleExpandClick}
-                            aria-expanded={expanded}
-                            aria-label="show more"
-                            >
-                            <ExpandMoreIcon />
-                            </ExpandMore>
-                        </CardActions>
-                        <Collapse in={expanded} timeout="auto" unmountOnExit>
-                            <Grid container
-                                    spacing={0}
-                                    direction="column"
-                                    alignItems="center"
-                                    justify="center">
-                            <CardContent>
-                            <Typography gutterBottom variant="subtitle1" align='left'>
-                                    Please input the hyperparameter you'd like to train your dataset with
-                            </Typography>
-                            <Grid container spacing={1} style={{maxWidth:800, padding:"10px 10px"}}>
-                                <Grid xs={12} sm={6} item>
-                                    <TextField type="number" InputProps={{ inputProps: { min: 0} }} {...register("batch_size")} name="batch_size" placeholder="Batch Size" label="Batch Size" variant="outlined" fullWidth />
-                                </Grid>
-                                <Grid xs={12} sm={6} item>
-                                    <TextField type="number" inputProps={{step: "0.000000001",min: 0}} {...register("learning_rate")} name="learning_rate" placeholder="Learning Rate" label="Learning Rate" variant="outlined" fullWidth />
-                                </Grid>
-                                <Grid xs={12} sm={6} item>
-                                    <TextField type="number" InputProps={{ inputProps: { min: 0} }} {...register("iterations")} name="iterations" placeholder="Number of Iterations" label="Iterations" variant="outlined" fullWidth />
-                                </Grid>
-                                <Grid xs={12} sm={6} item>
-                                    <TextField type="number" inputProps={{step: "0.01", min: 0}} {...register("toy_size")} name="toy_size" placeholder="Dataset Proportion" label="Dataset Proportion" variant="outlined" fullWidth />
-                                </Grid>
-                                <FormLabel variant="h8" align='centre'>
-                                    * Dataset Proportion defines the percentage of original dataset our auto-augment learner will use to find the 
-                                    augmentation policy. If your dataset is large, we recommend you to set Dataset Proportion a small value (0.1-0.3). 
-                                </FormLabel>
-                            </Grid>
-
-                            <Grid style={{maxWidth:800, padding:"40px 10px"}}>
-                                <Typography gutterBottom variant="subtitle1" align='left'>
-                                    Please select augmentation methods you'd like to exclude 
-                                </Typography>
-                                <div>
-                                    {['ShearX', 'ShearY', 'TranslateX', 'TranslateY', 'Rotate', 'Brightness',
-                                    'Color', 'Contrast', 'Sharpness', 'Posterize', 'Solarize', 'AutoContrast', 
-                                    'Equalize', 'Invert'].map((option) => {
-                                    return (
-                                        <FormControlLabel
-                                        control={
-                                            <Controller
-                                            name='select_action'
-                                            render={({}) => {
-                                                return (
-                                                <Checkbox
-                                                    checked={selectAction.includes(option)}
-                                                    onChange={() => handleActionSelect(option)}/> );
-                                            }}
-                                            control={control}
-                                            />}
-                                        label={option}
-                                        key={option}
-                                        />
-                                    );
-                                    })}
-                                </div>
-                            </Grid>
-                            </CardContent>
-                            </Grid>
-                        </Collapse>
-                         
-                    </Card>
-                </Grid>
-
-                <Button
-                    type="submit"
-                    variant="contained"
-                    color='success'
-                    size='large'
-                    endIcon={<SendIcon />}
-                >
-                    Submit Form
-                </Button>
-                {watchFileds[0]==='Other' && !dirtyFields.ds_upload && 
-                    <Alert severity="error" variant='standard'>Please upload your dataset 
-                    zip file or select one of the dataset we have provided</Alert>}
-                {watchFileds[1]==='Other' && !dirtyFields.network_upload && 
-                    <Alert severity="error" variant='standard'>Please upload your network 
-                    .pkl file or select one of the network we have provided</Alert>}
-                    
-                </form>
-                        
-            </Grid>
-        </div>
-            
-        );
-    }
-
diff --git a/src/pages/Progress.js b/src/pages/Progress.js
deleted file mode 100644
index 2dee4fb594b7771a0d3e468065f50f0005bd376c..0000000000000000000000000000000000000000
--- a/src/pages/Progress.js
+++ /dev/null
@@ -1,69 +0,0 @@
-import React, { useState, useEffect } from "react";
-import { Grid, LinearProgress, Card, CardContent, Typography, Button, TextField } from '@mui/material';
-import CheckCircleOutlineRoundedIcon from '@mui/icons-material/CheckCircleOutlineRounded';
-import TuneRoundedIcon from '@mui/icons-material/TuneRounded';
-import {useNavigate, Route} from "react-router-dom";
-
-
-
-export default function Training() {
-    let navigate = useNavigate();
-
-    const [status, setStatus] = useState("Training");
-    useEffect(() => {
-        const res = fetch('/training'
-        ).then(response => response.json()
-        ).then(data => {setStatus(data.status); console.log(data.status)});
-
-        
-        }, []);
-
-    const onSubmit = async () => {
-        navigate('/result', {replace:true});
-    }
-
-    return (
-        <div className="App" style={{padding:"60px"}}>
-            <Typography gutterBottom variant="h3" align="center" >
-            Data Auto-Augmentation
-            </Typography>
-            <Card style={{ maxWidth: 900, padding: "10px 5px", margin: "0 auto" }}>
-                <CardContent>
-                    <Grid style={{padding:"30px"}}>
-                    <Typography gutterBottom variant="h6" align="center" >
-                        Our auto-augment learners are working hard to generate your data augmentation policy ...
-                    </Typography>
-                    </Grid>
-
-                    {status==="Training" &&
-                        <Grid style={{padding:"60px"}}>
-                            <LinearProgress color="primary"/>
-                            <LinearProgress color="primary" />
-                            <LinearProgress color="primary" />
-                            <LinearProgress color="primary" />
-                        </Grid>
-                    }
-
-                    <Grid style={{padding:"50px"}}>
-                    <Typography variant='h6'>
-                        Current status: {status}
-                    </Typography>
-                    </Grid>
-                    
-                    {status==="Training is done!" &&
-                        <Button
-                                type="submit"
-                                variant="contained"
-                                color='primary'
-                                size='large'
-                                onClick={onSubmit}
-                            >
-                                Show Results
-                        </Button>
-                    }
-                </CardContent>
-            </Card>
-                
-        </div>
-    )
-}
\ No newline at end of file
diff --git a/src/pages/Result.js b/src/pages/Result.js
deleted file mode 100644
index 70dec30c7784651f839bdf6e1b56f04c72946f8c..0000000000000000000000000000000000000000
--- a/src/pages/Result.js
+++ /dev/null
@@ -1,61 +0,0 @@
-import React, { useState, useEffect } from "react";
-import { Grid, List, ListItem, Avatar, ListItemAvatar, ListItemText, Card, CardContent, Typography, Button, CardMedia } from '@mui/material';
-import output from './pytest.png'
-import {useNavigate, Route} from "react-router-dom";
-import axios from 'axios'
-import fileDownload from 'js-file-download'
-
-export default function Result() {
-
-    const handleClick = () => {
-        axios.get('/result', {
-            responseType: 'blob',
-          })
-        .then((res) => {
-          fileDownload(res.data, 'policy.txt');
-          console.log(res.data)
-        })
-      }
-    
-    return (
-        <div className="App" style={{padding:"60px"}}>
-            <Typography gutterBottom variant="h3" align="center" >
-            Data Auto-Augmentation
-            </Typography>
-            <Card style={{ maxWidth: 900, padding: "10px 5px", margin: "0 auto" }}>
-                <CardContent>
-                    <Typography gutterBottom variant="h5" align="left">
-                        Here are the results from our auto-augment agent:
-                    </Typography>
-                    <Grid style={{padding:"30px"}} container spacing={4} alignItems="center">
-                        <Grid xs={7} item> 
-                            <img src={output} alt='output' />
-                        </Grid>
-                        <Grid xs={5} item> 
-                            <Typography>
-                                write something here to explain the meaning of the graph to the user
-                            </Typography>
-                        </Grid>
-                    </Grid>
-
-                    <Typography gutterBottom variant='h6' align='center'>
-                        You can download the augentation policy here
-                    </Typography>
-                    <Button
-                            type="submit"
-                            variant="contained"
-                            color='primary'
-                            size='large'
-                            onClick={() => handleClick('https://avatars.githubusercontent.com/u/9919?s=280&v=4', 'sample')}
-                        >
-                            Download
-                    </Button>
-                    <Typography>
-                        Please follow our documentation to apply this policy to your dataset.
-                    </Typography>
-                </CardContent>
-            </Card>
-
-        </div>
-    )
-}
\ No newline at end of file
diff --git a/src/pages/WrongDS.js b/src/pages/WrongDS.js
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/src/pages/pytest.png b/src/pages/pytest.png
deleted file mode 100644
index 272b44ed38c9107f19c99dc9a5ac38593493604f..0000000000000000000000000000000000000000
Binary files a/src/pages/pytest.png and /dev/null differ
diff --git a/src/reportWebVitals.js b/src/reportWebVitals.js
deleted file mode 100644
index 5253d3ad9e6be6690549cb255f5952337b02401d..0000000000000000000000000000000000000000
--- a/src/reportWebVitals.js
+++ /dev/null
@@ -1,13 +0,0 @@
-const reportWebVitals = onPerfEntry => {
-  if (onPerfEntry && onPerfEntry instanceof Function) {
-    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
-      getCLS(onPerfEntry);
-      getFID(onPerfEntry);
-      getFCP(onPerfEntry);
-      getLCP(onPerfEntry);
-      getTTFB(onPerfEntry);
-    });
-  }
-};
-
-export default reportWebVitals;
diff --git a/src/setupTests.js b/src/setupTests.js
deleted file mode 100644
index 8f2609b7b3e0e3897ab3bcaad13caf6876e48699..0000000000000000000000000000000000000000
--- a/src/setupTests.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// jest-dom adds custom jest matchers for asserting on DOM nodes.
-// allows you to do things like:
-// expect(element).toHaveTextContent(/react/i)
-// learn more: https://github.com/testing-library/jest-dom
-import '@testing-library/jest-dom';
diff --git a/test/web_app/test_flask_routes.py b/test/web_app/test_flask_routes.py
index f3dac791abd53b9316a8fa4ad087b2ae5eca43cc..cbbfb558ec8b5ef75315c191a420648c4975e58d 100644
--- a/test/web_app/test_flask_routes.py
+++ b/test/web_app/test_flask_routes.py
@@ -1,6 +1,6 @@
 import pytest
 import unittest
-from backend_react import react_app
+from . import react_app
 import json