# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1567726368 -32400
#      Fri Sep 06 08:32:48 2019 +0900
# Node ID a65c4715fb5d7361ba13600d5cebe77703bc93d2
# Parent  5ccc08d02280a8db169a2e872b7c32f52d4283b6
split: use literal syntax to build a set of one element

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -187,7 +187,7 @@
             originalchunks):
             newlyaddedandmodifiedfiles.add(chunk.header.filename())
             alsorestore.update(set(chunk.header.files()) -
-                               set([chunk.header.filename()]))
+                               {chunk.header.filename()})
     return newlyaddedandmodifiedfiles, alsorestore
 
 def parsealiases(cmd):