# HG changeset patch
# User Pulkit Goyal <7895pulkit@gmail.com>
# Date 1518349391 -19800
# Node ID d83fc41dabf3a56e29c1939e118e6e95a3c5020d
# Parent  f6a8a81f4f7b6b5b16a893efb092e2f53e0827ae
py3: replace file() with open() in test-extdiff.t

file() is not present in Python 3.
This patch also adds a b'' prefix to make sure we write bytes in Python 3.

Differential Revision: https://phab.mercurial-scm.org/D2128

diff -r f6a8a81f4f7b -r d83fc41dabf3 tests/test-extdiff.t
--- a/tests/test-extdiff.t	Sun Feb 11 17:12:28 2018 +0530
+++ b/tests/test-extdiff.t	Sun Feb 11 17:13:11 2018 +0530
@@ -252,8 +252,8 @@
   > #!$PYTHON
   > import time
   > time.sleep(1) # avoid unchanged-timestamp problems
-  > file('a/a', 'ab').write('edited\n')
-  > file('a/b', 'ab').write('edited\n')
+  > open('a/a', 'ab').write(b'edited\n')
+  > open('a/b', 'ab').write(b'edited\n')
   > EOT
 
 #if execbit