diff --git a/bots/zephyr_mirror_backend.py b/bots/zephyr_mirror_backend.py
index 89e921b..5ba52c6 100755
--- a/bots/zephyr_mirror_backend.py
+++ b/bots/zephyr_mirror_backend.py
@@ -24,6 +24,7 @@ from __future__ import absolute_import
 
 import sys
 from six.moves import map
+from six.moves import range
 try:
     import simplejson
 except ImportError:
@@ -44,7 +45,7 @@ import select
 DEFAULT_SITE = "https://api.zulip.com"
 
 class States:
-    Startup, ZulipToZephyr, ZephyrToZulip, ChildSending = range(4)
+    Startup, ZulipToZephyr, ZephyrToZulip, ChildSending = list(range(4))
 CURRENT_STATE = States.Startup
 
 def to_zulip_username(zephyr_username):
diff --git a/integrations/hg/zulip-changegroup.py b/integrations/hg/zulip-changegroup.py
index 427702c..4ab3509 100755
--- a/integrations/hg/zulip-changegroup.py
+++ b/integrations/hg/zulip-changegroup.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 #
 # Zulip hook for Mercurial changeset pushes.
-# Copyright © 2012-2014 Zulip, Inc.
+# Copyright © 2012-2014 Zulip, Inc.
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -25,8 +25,10 @@
 #
 # This hook is called when changesets are pushed to the master repository (ie
 # `hg push`). See https://zulip.com/integrations for installation instructions.
+from __future__ import absolute_import
 
 import zulip
+from six.moves import range
 
 VERSION = "0.9"
 
diff --git a/integrations/perforce/git_p4.py b/integrations/perforce/git_p4.py
index a13e77e..f9a09ed 100644
--- a/integrations/perforce/git_p4.py
+++ b/integrations/perforce/git_p4.py
@@ -12,6 +12,7 @@ from __future__ import absolute_import
 import sys
 import six
 from six.moves import input
+from six.moves import range
 if sys.hexversion < 0x02040000:
     # The limiter is the subprocess module
     sys.stderr.write("git-p4: requires Python 2.4 or later.\n")