diff --git a/bin/sync-and-gyp b/bin/sync-and-gyp
index fadfff8..906b767 100755
--- a/bin/sync-and-gyp
+++ b/bin/sync-and-gyp
@@ -27,6 +27,7 @@
 import hashlib
 import subprocess
 import os
+import sys
 
 skia_dir = os.path.join(os.path.dirname(__file__), os.pardir)