diff --git a/tests/test_vcs_git.py b/tests/test_vcs_git.py
index 3c10b3c65..b27c12d8b 100644
--- a/tests/test_vcs_git.py
+++ b/tests/test_vcs_git.py
@@ -1,3 +1,4 @@
+import sys
 from mock import patch
 from nose import SkipTest
 from pip.vcs.git import Git