mercurial/store.py

--- a/mercurial/store.py	Tue Feb 23 22:58:30 2021 -0800
+++ b/mercurial/store.py	Wed Feb 03 16:33:10 2021 -0800
@@ -433,8 +433,12 @@
         l.sort()
         return l
 
-    def changelog(self, trypending):
-        return changelog.changelog(self.vfs, trypending=trypending)
+    def changelog(self, trypending, concurrencychecker=None):
+        return changelog.changelog(
+            self.vfs,
+            trypending=trypending,
+            concurrencychecker=concurrencychecker,
+        )
 
     def manifestlog(self, repo, storenarrowmatch):
         rootstore = manifest.manifestrevlog(self.vfs)