node: use absolute_import

mercurial/node.py

@@ -1,23 +1,25 b''
 # node.py - basic nodeid manipulation for mercurial
 #
 # Copyright 2005, 2006 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
+from __future__ import absolute_import
+
 import binascii
 
 nullrev = -1
 nullid = "\0" * 20
 
 # pseudo identifiers for working directory
 # (they are experimental, so don't add too many dependencies on them)
 wdirrev = 0x7fffffff
 wdirid = "\xff" * 20
 
 # This ugly style has a noticeable effect in manifest parsing
 hex = binascii.hexlify
 bin = binascii.unhexlify
 
 def short(node):
     return hex(node[:6])