# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 1449278546 28800
# Node ID 0d5fe81320a93bd2656e5a610c6a6169459c9af4
# Parent  be7ef03d7fb61cebf521a9a88567e093e02352b8
revlog: remove unused variable 'chainlen'

diff -r be7ef03d7fb6 -r 0d5fe81320a9 mercurial/revlog.py
--- a/mercurial/revlog.py	Sat Dec 05 22:19:48 2015 -0500
+++ b/mercurial/revlog.py	Fri Dec 04 17:22:26 2015 -0800
@@ -1406,7 +1406,6 @@
         curr = len(self)
         prev = curr - 1
         base = chainbase = curr
-        chainlen = None
         offset = self.end(prev)
         delta = None
         if self._basecache is None: