diff -r ad1b5e070f16 -r f7152a0d90df mercurial/subrepo.py
--- a/mercurial/subrepo.py	Thu Jul 12 10:03:50 2012 +0200
+++ b/mercurial/subrepo.py	Thu Jul 12 10:41:56 2012 +0200
@@ -1185,7 +1185,7 @@
             return True
         else:
             self._ui.warn(_('no branch checked out in subrepo %s\n'
-                            'cannot push revision %s') %
+                            'cannot push revision %s\n') %
                           (self._relpath, self._state[1]))
             return False