Update app.py

web/app.py

@@ -21,6 +21,9 @@ from geventwebsocket.handler import WebSocketHandler
 # from gevent import monkey
 # monkey.patch_all()
 
+import eventlet
+eventlet.monkey_patch()
+
 
 # from requests.packages.urllib3.util.ssl_ import create_urllib3_context
 # create_urllib3_context()