--- a/mercurial/hgweb/hgwebdir_mod.py	Sun Aug 14 18:28:43 2016 -0700
+++ b/mercurial/hgweb/hgwebdir_mod.py	Sun Aug 14 16:03:30 2016 -0700
@@ -217,6 +217,9 @@
         return False
 
     def run_wsgi(self, req):
+        return self._runwsgi(req)
+
+    def _runwsgi(self, req):
         try:
             self.refresh()