diff --git a/hgext/convert/common.py b/hgext/convert/common.py
--- a/hgext/convert/common.py
+++ b/hgext/convert/common.py
@@ -4,10 +4,21 @@
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
+from __future__ import absolute_import
 
-import base64, errno, subprocess, os, datetime, re
+import base64
 import cPickle as pickle
-from mercurial import phases, util, error
+import datetime
+import errno
+import os
+import re
+import subprocess
+
+from mercurial import (
+    error,
+    phases,
+    util,
+)
 from mercurial.i18n import _
 
 propertycache = util.propertycache
diff --git a/tests/test-check-py3-compat.t b/tests/test-check-py3-compat.t
--- a/tests/test-check-py3-compat.t
+++ b/tests/test-check-py3-compat.t
@@ -23,7 +23,6 @@
   hgext/color.py not using absolute_import
   hgext/convert/__init__.py not using absolute_import
   hgext/convert/bzr.py not using absolute_import
-  hgext/convert/common.py not using absolute_import
   hgext/convert/cvs.py not using absolute_import
   hgext/convert/transport.py not using absolute_import
   hgext/eol.py not using absolute_import