diff --git a/utils/os_utils.py b/utils/os_utils.py
index 191a243..9f77121 100644
--- a/utils/os_utils.py
+++ b/utils/os_utils.py
@@ -1,3 +1,4 @@
+import os
 import sys
 
 if sys.platform[0:3] == 'win':