--- a/mercurial/patch.py Thu Dec 17 14:38:22 2015 +0000
+++ b/mercurial/patch.py Thu Dec 17 20:13:29 2015 +0000
@@ -1491,7 +1491,6 @@
self.toline += len(self.before) + h.added
self.before = []
self.hunk = []
- self.proc = ''
self.context = context
def addhunk(self, hunk):