# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 1444122246 25200
# Node ID 25a58881efdde4c5a7bcf4ec5c763749ba083334
# Parent  b9be8ab6e628eada5a9a4ce55fa281bc1aa8c6bb
extract: simplify parents assignement

We move to the more standard style of:

  value = default
  if special:
      value = other

This is more consistent and compact.

diff -r b9be8ab6e628 -r 25a58881efdd mercurial/patch.py
--- a/mercurial/patch.py	Tue Oct 06 02:01:53 2015 -0700
+++ b/mercurial/patch.py	Tue Oct 06 02:04:06 2015 -0700
@@ -271,15 +271,11 @@
         data['branch'] = branch
         return data
 
+    p1 = p2 = None
     if parents:
         p1 = parents.pop(0)
-    else:
-        p1 = None
-
-    if parents:
-        p2 = parents.pop(0)
-    else:
-        p2 = None
+        if parents:
+            p2 = parents.pop(0)
 
     data['filename'] = tmpname
     data['message'] = message