D3789: py3: make tests/test-impexp-branch.t compatible with Python 3

[pulkit (Pulkit Goyal)]

pulkit created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  This patch adds some missig b'' prefixes and add suppress the output of write()
  calls.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3789

AFFECTED FILES
  tests/test-impexp-branch.t

CHANGE DETAILS

diff --git a/tests/test-impexp-branch.t b/tests/test-impexp-branch.t
--- a/tests/test-impexp-branch.t
+++ b/tests/test-impexp-branch.t
@@ -75,8 +75,8 @@
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   >>> import re
   >>> p = open('../r1.patch', 'rb').read()
-  >>> p = re.sub(r'Parent\s+', 'Parent ', p)
-  >>> open('../r1-ws.patch', 'wb').write(p)
+  >>> p = re.sub(br'Parent\s+', b'Parent ', p)
+  >>> open('../r1-ws.patch', 'wb').write(p) and None
   $ hg import --exact ../r1-ws.patch
   applying ../r1-ws.patch
 



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