[PATCH 8 of 8] py3: make contrib/undumprevlog use absolute_import

[Pulkit Goyal]

# HG changeset patch
# User Pulkit Goyal <7895pulkit at gmail.com>
# Date 1463086425 -19800
#      Fri May 13 02:23:45 2016 +0530
# Node ID 92301cdc395d5c6cae3f96b715d762b7e1623bb9
# Parent  5a58e714148c54864ffe2685cee67f4052d59656
py3: make contrib/undumprevlog use absolute_import

diff --git a/contrib/undumprevlog b/contrib/undumprevlog
--- a/contrib/undumprevlog
+++ b/contrib/undumprevlog
@@ -3,8 +3,16 @@
 # $ hg init
 # $ undumprevlog < repo.dump
 
+from __future__ import absolute_import
+
 import sys
-from mercurial import revlog, node, scmutil, util, transaction
+from mercurial import (
+    node,
+    revlog,
+    scmutil,
+    transaction,
+    util,
+)
 
 for fp in (sys.stdin, sys.stdout, sys.stderr):
     util.setbinary(fp)