--- a/mercurial/changegroup.py	Thu Jul 18 12:03:29 2024 +0200
+++ b/mercurial/changegroup.py	Thu Jul 18 12:36:12 2024 +0200
@@ -407,7 +407,7 @@
                 yield chunkheader(len(chunk))
                 pos = 0
                 while pos < len(chunk):
-                    next = pos + 2 ** 20
+                    next = pos + 2**20
                     yield chunk[pos:next]
                     pos = next
             yield closechunk()