--- a/mercurial/registrar.py	Tue Dec 19 21:38:46 2023 +0100
+++ b/mercurial/registrar.py	Tue Dec 19 21:40:06 2023 +0100
@@ -524,7 +524,7 @@
         precheck=None,
         binary=False,
         symlink=False,
-    ):
+    ):  # pytype: disable=signature-mismatch
         func.mergetype = mergetype
         func.onfailure = onfailure
         func.precheck = precheck