[PATCH 5 of 6] py3: make tests/f use absolute_import

[Pulkit Goyal]

# HG changeset patch
# User Pulkit Goyal <7895pulkit at gmail.com>
# Date 1463090324 -19800
#      Fri May 13 03:28:44 2016 +0530
# Node ID 2f4438c9ecfeaa432c0c5b90a295143147e61ca8
# Parent  26452d2f23397e2c693cbf5cd574a847bb47ce95
py3: make tests/f use absolute_import

diff --git a/tests/f b/tests/f
--- a/tests/f
+++ b/tests/f
@@ -23,7 +23,14 @@
   md5sum.py
 """
 
-import sys, os, errno, re, glob, optparse
+from __future__ import absolute_import
+
+import errno
+import glob
+import optparse
+import os
+import re
+import sys
 
 def visit(opts, filenames, outfile):
     """Process filenames in the way specified in opts, writing output to