diff --git a/elements/rabbitmq-server/os-refresh-config/post-configure.d/52-rabbitmq-passwords b/elements/rabbitmq-server/os-refresh-config/post-configure.d/52-rabbitmq-passwords
index addd6bc2e..64ebd30d8 100755
--- a/elements/rabbitmq-server/os-refresh-config/post-configure.d/52-rabbitmq-passwords
+++ b/elements/rabbitmq-server/os-refresh-config/post-configure.d/52-rabbitmq-passwords
@@ -93,9 +93,9 @@ for need_user in need:
     elif 'password' in detail:
         args = ['rabbitmqctl', 'change_password', username, detail['password']]
         subprocess.check_call(args, stdout=sys.stderr)
-    # no "else", we have a user that exists, and no assertion about passwords. we
-    # don't want to generate a new password if this is just a user that we're
-    # setting user tags on.
+    # no "else", we have a user that exists, and no assertion about passwords.
+    # we don't want to generate a new password if this is just a user that
+    # we're setting user tags on.
     if 'permissions' in detail:
         args = ['rabbitmqctl', 'set_permissions', username]
         args.append(detail['permissions']['conf'])
@@ -113,13 +113,14 @@ if want - have:
     LOG.error('Desired users missing: want=%s have=%s', want, have)
     sys.exit(1)
 
-CLEAN_USERS = subprocess.Popen(['os-apply-config', '--key', 'rabbit.clean_users',
+CLEAN_USERS = subprocess.Popen(['os-apply-config', '--key',
+                                'rabbit.clean_users',
                                 '--key-default', 'False'],
                                stdout=subprocess.PIPE).stdout.read()
 
 if 'True' in CLEAN_USERS:
     to_delete = have - want
     for username in to_delete:
-        subprocess.check_call(['rabbitmqctl', 'delete_user', username], stdout=sys.stderr)
+        subprocess.check_call(['rabbitmqctl', 'delete_user', username],
+                              stdout=sys.stderr)
         LOG.debug("Deleted user %s" % username)
-
diff --git a/elements/swift-proxy/check_mk_checks/swift_proxy_healthcheck.py b/elements/swift-proxy/check_mk_checks/swift_proxy_healthcheck.py
index 82f4b5219..2a4077c99 100755
--- a/elements/swift-proxy/check_mk_checks/swift_proxy_healthcheck.py
+++ b/elements/swift-proxy/check_mk_checks/swift_proxy_healthcheck.py
@@ -28,6 +28,7 @@
 
 
 import ConfigParser
+
 import requests
 
 
diff --git a/test-requirements.txt b/test-requirements.txt
index d742d6282..e1d022447 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-hacking>=0.8.0,<0.9
+hacking>=0.9.2,<0.10
 
 oslotest
 oslosphinx