diff --git a/emission/net/ext_service/push/notify_interface.py b/emission/net/ext_service/push/notify_interface.py
index 8363011e1..c23e55d7e 100644
--- a/emission/net/ext_service/push/notify_interface.py
+++ b/emission/net/ext_service/push/notify_interface.py
@@ -10,6 +10,7 @@
 import json
 import logging
 import importlib
+import os
 
 import emission.core.backwards_compat_config as ecbc