Update app.py

app.py

@@ -1,5 +1,7 @@
 # from PIL import Image
 from flask import *
+from flask_socketio import SocketIO,emit
+
 # import face_recognition
 # import cv2
 # import numpy as np
@@ -16,6 +18,8 @@ from flask import *
 
 app = Flask(__name__)
 
+app.config['SECRET_KEY'] = 'secret!'
+socket = SocketIO(app,async_mode="eventlet")
 # @app.route('/at')
 # def attend():
 #     # Face recognition variables