python実行が終了してしまいます。

python
1import os
2from flask import Flask, request, redirect, url_for,flash
3from werkzeug.utils import secure_filename
4
5from keras.models import Sequential, load_model
6import keras,sys
7import numpy as np
8from PIL import Image
9
10classes = ["matsumoto_hitoshi","nakazima_ishireri"]
11num_classes = len(classes)
12image_size = 50
13
14UPLOAD_FOLDER = './uploads'
15ALLOWED_EXTENSIONS = set(['png', 'jpg', 'gif'])
16
17app = Flask(__name__)
18app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
19app.secret_key = "super secret key"
20
21
22
23def allowed_file(filename):
24    return '.' in filename and filename.rsplit('.',1)[1].lower() in ALLOWED_EXTENSIONS
25
26@app.route('/', methods=['GET', 'POST'])
27def upload_file():
28    if request.method == 'POST':
29        if 'file' not in request.files:
30            flash('ファイルがありません')
31            return redirect(request.url)
32        file = request.files['file']
33        if file.filename == '':
34            flash('ファイルがありません')
35            return redirect(request.url)
36        if file and allowed_file(file.filename):
37            filename = secure_filename(file.filename)
38            file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
39            filepath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
40
41            model = load_model('./face_cnn.h5')
42
43            image = Image.open(filepath)
44            image = image.convert('RGB')
45            image = image.resize((image_size, image_size))
46            data = np.asarray(image)
47            X = []
48            X.append(data)
49            X = np.array(X)
50
51            result = model.predict([X])[0]
52            predicted = result.argmax()
53            percentage = int(result[predicted] * 100)
54
55            return "ラベル： " + classes[predicted] + ", 確率："+ str(percentage) + " %"
56
57
58            #return redirect(url_for('uploaded_file', filename=filename))
59    return '''
60    <!doctype html>
61    <html>
62    <head>
63    <meta charset="UTF-8">
64    <title>ファイルをアップロードして判定しよう</title></head>
65    <body>
66    <h1>ファイルをアップロードして判定しよう！</h1>
67    <form method = post enctype = multipart/form-data>
68    <p><input type=file name=file>
69    <input type=submit value=Upload>
70    </form>
71    </body>
72    </html>
73    '''
74
75from flask import send_from_directory
76
77@app.route('/uploads/<filename>')
78def uploaded_file(filename):
79    return send_from_directory(app.config['UPLOAD_FOLDER'], filename)

Using TensorFlow backend.
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorflow\python\framework\dtypes.py:516: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint8 = np.dtype([("qint8", np.int8, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorflow\python\framework\dtypes.py:517: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_quint8 = np.dtype([("quint8", np.uint8, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorflow\python\framework\dtypes.py:518: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint16 = np.dtype([("qint16", np.int16, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorflow\python\framework\dtypes.py:519: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_quint16 = np.dtype([("quint16", np.uint16, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorflow\python\framework\dtypes.py:520: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint32 = np.dtype([("qint32", np.int32, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorflow\python\framework\dtypes.py:525: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  np_resource = np.dtype([("resource", np.ubyte, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py:541: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint8 = np.dtype([("qint8", np.int8, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py:542: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_quint8 = np.dtype([("quint8", np.uint8, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py:543: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint16 = np.dtype([("qint16", np.int16, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py:544: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_quint16 = np.dtype([("quint16", np.uint16, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py:545: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint32 = np.dtype([("qint32", np.int32, 1)])
C:\Users\my174\anaconda3\envs\kaohanbetsu_for_exam\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py:550: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  np_resource = np.dtype([("resource", np.ubyte, 1)])

実行環境は
windowsos
vscode
python 3.7.8です