--- a/mercurial/manifest.py Mon Sep 24 14:46:37 2018 -0700
+++ b/mercurial/manifest.py Thu Jan 17 09:17:12 2019 -0800
@@ -283,7 +283,6 @@
if len(self.extradata) == 0:
return
l = []
- last_cut = 0
i = 0
offset = 0
self.extrainfo = [0] * len(self.positions)