diff --git a/app/main/events.py b/app/main/events.py
index 89a3d7cd..e516a00e 100644
--- a/app/main/events.py
+++ b/app/main/events.py
@@ -4,7 +4,7 @@ from .. import db, socketio
 from ..models import User
 import json
 import jsonpatch
-import os
+
 
 '''
 ' A list containing session ids of disconnected Socket.IO sessions. It is used