diff --git a/colorizer.py b/colorizer.py
index c9f7d63..a16c620 100755
--- a/colorizer.py
+++ b/colorizer.py
@@ -42,11 +42,11 @@
 """Display a subunit stream through a colorized unittest test runner."""
 
 import heapq
-import subunit
 import sys
 import unittest
 
 import six
+import subunit
 import testtools