diff -r ad5966de3c9a -r cfb26146a8cd hgext/histedit.py
--- a/hgext/histedit.py	Wed Dec 23 12:51:45 2015 -0800
+++ b/hgext/histedit.py	Thu Dec 31 15:39:38 2015 +0000
@@ -629,7 +629,6 @@
         """ Verifies semantic correctness of the fold rule"""
         super(fold, self).verify(prev)
         repo = self.repo
-        state = self.state
         if not prev:
             c = repo[self.node].parents()[0]
         elif not prev.verb in ('pick', 'base'):