diff --git a/mercurial/context.py b/mercurial/context.py
--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -452,7 +452,7 @@ class workingctx(changectx):
     changes - a list of file lists as returned by localrepo.status()
                or None to use the repository status.
     """
-    def __init__(self, repo, parents=None, text="", user=None, date=None, 
+    def __init__(self, repo, parents=None, text="", user=None, date=None,
                  extra=None, changes=None):
         self._repo = repo
         self._rev = None
@@ -688,7 +688,7 @@ class memctx(object):
     user - username string, or None.
     extra - a dictionary of extra values, or None.
     """
-    def __init__(self, repo, parents, text, files, filectxfn, user=None, 
+    def __init__(self, repo, parents, text, files, filectxfn, user=None,
                  date=None, extra=None):
         self._repo = repo
         self._rev = None
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -791,9 +791,9 @@ class localrepository(repo.repository):
                 update_dirstate = (self.dirstate.parents()[0] == p1)
                 changes = [files, [], [], [], []]
 
-            wctx = context.workingctx(self, (p1, p2), text, user, date, 
+            wctx = context.workingctx(self, (p1, p2), text, user, date,
                                       extra, changes)
-            return self._commitctx(wctx, force, force_editor, empty_ok, 
+            return self._commitctx(wctx, force, force_editor, empty_ok,
                                    use_dirstate, update_dirstate)
         finally:
             del lock, wlock
@@ -803,8 +803,8 @@ class localrepository(repo.repository):
         try:
             wlock = self.wlock()
             lock = self.lock()
-            return self._commitctx(ctx, force=True, force_editor=False, 
-                                   empty_ok=True, use_dirstate=False, 
+            return self._commitctx(ctx, force=True, force_editor=False,
+                                   empty_ok=True, use_dirstate=False,
                                    update_dirstate=False)
         finally:
             del lock, wlock