@@ -48,13 +48,13 @@ def format(self):
         """:return: a string suitable to be placed in a reflog file"""
         act = self.actor
         time = self.time
-        return u"{0} {1} {2} <{3}> {4!s} {5}\t{6}\n".format(self.oldhexsha,
-                                                            self.newhexsha,
-                                                            act.name,
-                                                            act.email,
-                                                            time[0],
-                                                            altz_to_utctz_str(time[1]),
-                                                            self.message)
+        return u"{} {} {} <{}> {!s} {}\t{}\n".format(self.oldhexsha,
+                                                     self.newhexsha,
+                                                     act.name,
+                                                     act.email,
+                                                     time[0],
+                                                     altz_to_utctz_str(time[1]),
+                                                     self.message)
 
     @property
     def oldhexsha(self):
 
@@ -882,10 +882,10 @@ def test_commit_msg_hook_success(self, rw_repo):
         _make_hook(
             index.repo.git_dir,
             'commit-msg',
-            'echo -n " {0}" >> "$1"'.format(from_hook_message)
+            'echo -n " {}" >> "$1"'.format(from_hook_message)
         )
         new_commit = index.commit(commit_message)
-        self.assertEqual(new_commit.message, u"{0} {1}".format(commit_message, from_hook_message))
+        self.assertEqual(new_commit.message, u"{} {}".format(commit_message, from_hook_message))
 
     @with_rw_repo('HEAD', bare=True)
     def test_commit_msg_hook_fail(self, rw_repo):