diff --git a/tests/test-lock.py b/tests/test-lock.py
index f80f7a67e17642f996bbd88d260177d5f6ab42cc_dGVzdHMvdGVzdC1sb2NrLnB5..5d50c9ffaebb5d7f1d4cb5cfbb052d4d1eb2035f_dGVzdHMvdGVzdC1sb2NrLnB5 100644
--- a/tests/test-lock.py
+++ b/tests/test-lock.py
@@ -2,8 +2,7 @@
 
 import copy
 import errno
-import silenttestrunner
 import tempfile
 import types
 import unittest
 
@@ -6,7 +5,9 @@
 import tempfile
 import types
 import unittest
 
+import silenttestrunner
+
 from mercurial import (
     encoding,
     error,