@app.route('/', methods=['POST'])
def index():
    response = {}
    if 'file' not in request.files:
        response['response'] = 'No file provided'
    else:
        response['response'] = request.files['file'].filename
        image = preprocess(request.files)
        image_mass = [image]
        image_mass = np.array(image_mass)
        predictions = model.predict(image_mass)
        verdict = predictions.argmax()
        response['verdict'] = verdict
    return jsonify({
        'response': response,
        'request': request.form
    })