diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -1076,7 +1076,7 @@ class queue(object):
 
             if move:
                 if not patch:
-                    raise  util.Abort(_("please specify the patch to move"))
+                    raise util.Abort(_("please specify the patch to move"))
                 for i, rpn in enumerate(self.full_series[start:]):
                     # strip markers for patch guards
                     if self.guard_re.split(rpn, 1)[0] == patch:
diff --git a/hgext/record.py b/hgext/record.py
--- a/hgext/record.py
+++ b/hgext/record.py
@@ -344,10 +344,10 @@ def filterpatch(ui, chunks):
             # new hunk
             if resp_file[0] is None and resp_all[0] is None:
                 chunk.pretty(ui)
-            r = total == 1 and prompt(_('record this change to %r?') %
-                                      chunk.filename()) \
-                           or  prompt(_('record change %d/%d to %r?') %
-                                      (pos, total, chunk.filename()))
+            r = (total == 1
+                 and prompt(_('record this change to %r?') % chunk.filename())
+                 or prompt(_('record change %d/%d to %r?') %
+                           (pos, total, chunk.filename())))
             if r:
                 if fixoffset:
                     chunk = copy.copy(chunk)
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -1220,7 +1220,7 @@ class localrepository(repo.repository):
     def heads(self, start=None):
         heads = self.changelog.heads(start)
         # sort the output in rev descending order
-        return  sorted(heads, key=self.changelog.rev, reverse=True)
+        return sorted(heads, key=self.changelog.rev, reverse=True)
 
     def branchheads(self, branch=None, start=None, closed=False):
         '''return a (possibly filtered) list of heads for the given branch