diff -r 7f443cce2972 -r f965b1027fb0 mercurial/interfaces/repository.py
--- a/mercurial/interfaces/repository.py	Fri Nov 15 14:41:00 2019 -0800
+++ b/mercurial/interfaces/repository.py	Fri Nov 15 14:47:31 2019 -0800
@@ -1746,7 +1746,7 @@
     def currentwlock():
         """Return the wlock if it's held or None."""
 
-    def checkcommitpatterns(wctx, vdirs, match, status, fail):
+    def checkcommitpatterns(wctx, match, status, fail):
         pass
 
     def commit(