--- a/mercurial/interfaces/repository.py	Sat Dec 03 00:13:50 2022 +0100
+++ b/mercurial/interfaces/repository.py	Sat Dec 03 00:16:07 2022 +0100
@@ -1612,7 +1612,7 @@
     def close():
         """Close the handle on this repository."""
 
-    def peer():
+    def peer(path=None):
         """Obtain an object conforming to the ``peer`` interface."""
 
     def unfiltered():