diff --git a/__init__.py b/__init__.py
index 802e9828..1a55562b 100644
--- a/__init__.py
+++ b/__init__.py
@@ -6,6 +6,7 @@
 # All rights reserved.
 #
 import os
+import sys
 
 
 # Attempt to add the source code to the PYTHONPATH here before running globals.init_openram()