--- a/mercurial/manifest.py	Mon Sep 25 22:52:01 2023 +0200
+++ b/mercurial/manifest.py	Tue Sep 26 00:54:46 2023 +0200
@@ -1824,8 +1824,8 @@
     def revision(self, node):
         return self._revlog.revision(node)
 
-    def rawdata(self, node, _df=None):
-        return self._revlog.rawdata(node, _df=_df)
+    def rawdata(self, node):
+        return self._revlog.rawdata(node)
 
     def revdiff(self, rev1, rev2):
         return self._revlog.revdiff(rev1, rev2)