mercurial/cmdutil.py

--- a/mercurial/cmdutil.py	Fri Sep 01 17:09:53 2017 -0700
+++ b/mercurial/cmdutil.py	Wed Sep 06 10:42:02 2017 -0700
@@ -3163,7 +3163,6 @@
             return old.node()
 
         ph = repo.ui.config('phases', 'new-commit', phases.draft)
-        newid = None
         try:
             if opts.get('secret'):
                 commitphase = 'secret'