diff --git a/integrations/basecamp/zulip_basecamp_mirror b/integrations/basecamp/zulip_basecamp_mirror
index 54e0044..ef38869 100755
--- a/integrations/basecamp/zulip_basecamp_mirror
+++ b/integrations/basecamp/zulip_basecamp_mirror
@@ -34,7 +34,7 @@ import re
 import sys
 import os
 from datetime import datetime, timedelta
-from HTMLParser import HTMLParser
+from six.moves.html_parser import HTMLParser
 import six
 
 sys.path.insert(0, os.path.dirname(__file__))
diff --git a/integrations/rss/rss-bot b/integrations/rss/rss-bot
index 07a5808..b238315 100755
--- a/integrations/rss/rss-bot
+++ b/integrations/rss/rss-bot
@@ -27,7 +27,7 @@ from __future__ import print_function
 import calendar
 import errno
 import hashlib
-from HTMLParser import HTMLParser
+from six.moves.html_parser import HTMLParser
 import logging
 import optparse
 import os
diff --git a/integrations/twitter/twitter-bot b/integrations/twitter/twitter-bot
index e7ab8b6..c71fc4e 100755
--- a/integrations/twitter/twitter-bot
+++ b/integrations/twitter/twitter-bot
@@ -27,7 +27,7 @@ from __future__ import print_function
 import os
 import sys
 import optparse
-import ConfigParser
+import six.moves.configparser
 
 import zulip
 VERSION = "0.9"
@@ -86,14 +86,14 @@ if not options.twitter_id:
     parser.error('You must specify --twitter-id')
 
 try:
-    config = ConfigParser.ConfigParser()
+    config = six.moves.configparser.ConfigParser()
     config.read(CONFIGFILE)
 
     consumer_key = config.get('twitter', 'consumer_key')
     consumer_secret = config.get('twitter', 'consumer_secret')
     access_token_key = config.get('twitter', 'access_token_key')
     access_token_secret = config.get('twitter', 'access_token_secret')
-except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
+except (six.moves.configparser.NoSectionError, six.moves.configparser.NoOptionError):
    parser.error("Please provide a ~/.zulip_twitterrc")
 
 if not consumer_key or not consumer_secret or not access_token_key or not access_token_secret:
@@ -118,12 +118,12 @@ if not user.GetId():
 
 try:
     since_id = config.getint('twitter', 'since_id')
-except ConfigParser.NoOptionError:
+except six.moves.configparser.NoOptionError:
     since_id = -1
 
 try:
     user_id = config.get('twitter', 'user_id')
-except ConfigParser.NoOptionError:
+except six.moves.configparser.NoOptionError:
     user_id = options.twitter_id
 
 client = zulip.Client(
diff --git a/integrations/twitter/twitter-search-bot b/integrations/twitter/twitter-search-bot
index 6e29bc0..f097170 100755
--- a/integrations/twitter/twitter-search-bot
+++ b/integrations/twitter/twitter-search-bot
@@ -27,7 +27,7 @@ from __future__ import print_function
 import os
 import sys
 import optparse
-import ConfigParser
+import six.moves.configparser
 
 import zulip
 VERSION = "0.9"
@@ -108,14 +108,14 @@ if not opts.search_terms:
     parser.error('You must specify a search term.')
 
 try:
-    config = ConfigParser.ConfigParser()
+    config = six.moves.configparser.ConfigParser()
     config.read(CONFIGFILE)
 
     consumer_key = config.get('twitter', 'consumer_key')
     consumer_secret = config.get('twitter', 'consumer_secret')
     access_token_key = config.get('twitter', 'access_token_key')
     access_token_secret = config.get('twitter', 'access_token_secret')
-except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
+except (six.moves.configparser.NoSectionError, six.moves.configparser.NoOptionError):
    parser.error("Please provide a ~/.zulip_twitterrc")
 
 if not (consumer_key and consumer_secret and access_token_key and access_token_secret):
@@ -123,7 +123,7 @@ if not (consumer_key and consumer_secret and access_token_key and access_token_s
 
 try:
     since_id = config.getint('search', 'since_id')
-except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
+except (six.moves.configparser.NoOptionError, six.moves.configparser.NoSectionError):
     since_id = 0
 
 try: