--- a/hgext/remotefilelog/basepack.py	Thu Dec 21 00:19:19 2023 +0100
+++ b/hgext/remotefilelog/basepack.py	Tue Dec 19 22:00:47 2023 +0100
@@ -501,7 +501,7 @@
         self.idxfp.write(rawindex)
         self.idxfp.close()
 
-    def createindex(self, nodelocations):
+    def createindex(self, nodelocations, indexoffset):
         raise NotImplementedError()
 
     def _writeheader(self, indexparams):