diff -r 711498bb4ff5 -r 8225bb1f0ad3 mercurial/help.py
--- a/mercurial/help.py	Mon Jun 23 09:24:06 2014 -0400
+++ b/mercurial/help.py	Mon Jun 23 09:24:24 2014 -0400
@@ -404,7 +404,7 @@
         # description
         if not doc:
             rst.append("    %s\n" % _("(no help text available)"))
-        if util.safehasattr(doc, '__call__'):
+        if callable(doc):
             rst += ["    %s\n" % l for l in doc().splitlines()]
 
         if not ui.verbose: