diff --git a/helpers/compile_helper.py b/helpers/compile_helper.py
index 882371b59..05319bafe 100644
--- a/helpers/compile_helper.py
+++ b/helpers/compile_helper.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import os
+import sys
 
 
 def finish_compile(out_path, lang):