diff --git a/assets/favicon/generate b/assets/favicon/generate
index e734433754..b4a3fe0d51 100755
--- a/assets/favicon/generate
+++ b/assets/favicon/generate
@@ -1,6 +1,8 @@
 #!/usr/bin/env python2.7
+from __future__ import absolute_import
 import xml.etree.ElementTree as ET
 import subprocess
+from six.moves import range
 
 # Generates the favicon images containing unread message counts.
 
@@ -10,7 +12,7 @@ elems = [tree.getroot().findall(
     ".//*[@id='%s']/{http://www.w3.org/2000/svg}tspan" % (name,))[0]
      for name in ('number_back', 'number_front')]
 
-for i in xrange(1, 100):
+for i in range(1, 100):
     # Prepare a modified SVG
     s = '%2d' % (i,)
     for e in elems:
diff --git a/bots/check-mirroring b/bots/check-mirroring
index a0215e8b0f..9794df9866 100755
--- a/bots/check-mirroring
+++ b/bots/check-mirroring
@@ -1,5 +1,6 @@
 #!/usr/bin/env python2.7
 from __future__ import print_function
+from __future__ import absolute_import
 import sys
 import time
 import optparse
@@ -8,6 +9,7 @@ import random
 import logging
 import subprocess
 import hashlib
+from six.moves import range
 
 parser = optparse.OptionParser()
 parser.add_option('--verbose',
@@ -150,7 +152,7 @@ for (stream, test) in test_streams:
         zephyr_subs_to_add.append((stream, '*', '*'))
 
 actually_subscribed = False
-for tries in xrange(10):
+for tries in range(10):
     try:
         zephyr.init()
         zephyr._z.subAll(zephyr_subs_to_add)
diff --git a/puppet/zulip_internal/files/zulip-ec2-configure-interfaces b/puppet/zulip_internal/files/zulip-ec2-configure-interfaces
index f9a43c3297..53b6fa47ce 100755
--- a/puppet/zulip_internal/files/zulip-ec2-configure-interfaces
+++ b/puppet/zulip_internal/files/zulip-ec2-configure-interfaces
@@ -42,6 +42,7 @@ interfaces.
 
 '''
 
+from __future__ import absolute_import
 import sys
 import logging
 import logging.handlers
@@ -50,6 +51,7 @@ import re
 
 import boto.utils
 import netifaces
+from six.moves import range
 
 def address_of(device_id):
     try:
diff --git a/tools/check-templates b/tools/check-templates
index fb1bb0d919..a180cf36ad 100755
--- a/tools/check-templates
+++ b/tools/check-templates
@@ -5,6 +5,7 @@ import sys
 import subprocess
 from six.moves import filter
 from six.moves import map
+from six.moves import range
 
 class Record:
     pass