--- a/hgext/remotefilelog/basepack.py	Mon Sep 24 14:46:37 2018 -0700
+++ b/hgext/remotefilelog/basepack.py	Thu Jan 17 09:17:12 2019 -0800
@@ -457,8 +457,6 @@
             pass
 
     def writeindex(self):
-        rawindex = ''
-
         largefanout = len(self.entries) > SMALLFANOUTCUTOFF
         if largefanout:
             params = indexparams(LARGEFANOUTPREFIX, self.VERSION)