[PATCH 4 of 5] py3: use absolute_import in test-wireproto.py

[timeless]

# HG changeset patch
# User timeless <timeless at mozdev.org>
# Date 1460323928 0
#      Sun Apr 10 21:32:08 2016 +0000
# Node ID 4b0632dccc1c8b346bfff5689aa75ed06a265c21
# Parent  90c4f3e3c85747e09aa7edaedb11c7e556cc8def
py3: use absolute_import in test-wireproto.py

diff --git a/tests/test-wireproto.py b/tests/test-wireproto.py
--- a/tests/test-wireproto.py
+++ b/tests/test-wireproto.py
@@ -1,8 +1,9 @@
 from __future__ import absolute_import, print_function
 
 import StringIO
-
-from mercurial import wireproto
+from mercurial import (
+    wireproto,
+)
 
 class proto(object):
     def __init__(self, args):