--- a/mercurial/pathutil.py	Wed Jul 12 10:11:02 2017 +0200
+++ b/mercurial/pathutil.py	Tue Jul 11 12:27:58 2017 +0200
@@ -46,7 +46,7 @@
         else:
             self.normcase = lambda x: x
 
-    def __call__(self, path):
+    def __call__(self, path, mode=None):
         '''Check the relative path.
         path may contain a pattern (e.g. foodir/**.txt)'''