# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1494049222 -32400
# Node ID 526f9f12f707d38889817f9ebc6f42f35e1e62ff
# Parent  3abba5bc34546951b11b1bd3f5e5c77b90d950d1
formatter: close raw template file explicitly

diff -r 3abba5bc3454 -r 526f9f12f707 mercurial/formatter.py
--- a/mercurial/formatter.py	Tue Jun 13 17:43:33 2017 -0400
+++ b/mercurial/formatter.py	Sat May 06 14:40:22 2017 +0900
@@ -399,7 +399,8 @@
         # is it a mapfile for a style?
         if os.path.basename(tmpl).startswith("map-"):
             return None, os.path.realpath(tmpl)
-        tmpl = open(tmpl).read()
+        with open(tmpl) as f:
+            tmpl = f.read()
         return tmpl, None
 
     # constant string?