--- a/mercurial/revlog.py	Mon May 03 12:27:53 2021 +0200
+++ b/mercurial/revlog.py	Mon May 03 12:28:05 2021 +0200
@@ -3120,7 +3120,7 @@
 
         return d
 
-    def rewrite_sidedata(self, helpers, startrev, endrev):
+    def rewrite_sidedata(self, transaction, helpers, startrev, endrev):
         if not self.hassidedata:
             return
         # inline are not yet supported because they suffer from an issue when