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changeset 31441:6e1c79578e5c

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mq: explicitly tests for None Changeset fd3d8eb7f545 removed the mutable default value, but did not explicitly tested for None. Such implicit testing can introduce semantic and performance issue. We move to an explicit testing for None as recommended by PEP8: https://www.python.org/dev/peps/pep-0008/#programming-recommendations
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
date Wed, 15 Mar 2017 15:05:54 -0700
parents 406705701c2d
children 7aac35ada1cb
files hgext/mq.py
diffstat 1 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/hgext/mq.py	Wed Mar 15 15:03:43 2017 -0700
+++ b/hgext/mq.py	Wed Mar 15 15:05:54 2017 -0700
@@ -722,7 +722,8 @@
 
     def printdiff(self, repo, diffopts, node1, node2=None, files=None,
                   fp=None, changes=None, opts=None):
-        opts = opts or {}
+        if opts is None:
+            opts = {}
         stat = opts.get('stat')
         m = scmutil.match(repo[node1], files, opts)
         cmdutil.diffordiffstat(self.ui, repo, diffopts, node1, node2,  m,