diff --git a/setup.py b/setup.py
index d4a7796cd786448002f40ab870d55199b631850b..6b179b94b36ab52e398cd31c87938bdfe402335d 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
+import os
 import sys
 
 try: