diff --git a/.zuul.yaml b/.zuul.yaml
index 14d1d182..4edbb9ae 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -1,13 +1,11 @@
 - project:
     templates:
       - check-requirements
+      - horizon-non-primary-django-jobs
       - openstack-lower-constraints-jobs
       - openstack-python-jobs-horizon
       - openstack-python3-train-jobs-horizon
       - release-notes-jobs-python3
-    check:
-      jobs:
-        - sahara-dashboard-tox-python3-django111
     experimental:
       jobs:
         - sahara-dashboard-integration
@@ -23,12 +21,6 @@
       - ^releasenotes/.*$
       - ^sahara_dashboard/locale/.*$
 
-- job:
-    name: sahara-dashboard-tox-python3-django111
-    parent: sahara-dashboard-tox-base
-    vars:
-      tox_envlist: py3-dj111
-
 - job:
     name: sahara-dashboard-integration
     parent: devstack
diff --git a/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/tests.py b/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/tests.py
index 097ea50c..e4048a73 100644
--- a/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/tests.py
+++ b/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/tests.py
@@ -177,14 +177,14 @@ class DataProcessingNodeGroupTests(test.TestCase):
              'hadoop_version': ngt.hadoop_version,
              'description': ngt.description,
              'flavor': flavor.id,
-             'availability_zone': None,
+             'availability_zone': '',
              'storage': 'ephemeral_drive',
              'volumes_per_node': 0,
              'volumes_size': 0,
-             'volume_type': None,
+             'volume_type': '',
              'volume_local_to_instance': False,
-             'volumes_availability_zone': None,
-             'floating_ip_pool': None,
+             'volumes_availability_zone': '',
+             'floating_ip_pool': '',
              'security_autogroup': True,
              'processes': 'HDFS:namenode',
              'use_autoconfig': True,
@@ -279,14 +279,14 @@ class DataProcessingNodeGroupTests(test.TestCase):
              'hadoop_version': ngt.hadoop_version,
              'description': ngt.description,
              'flavor': flavor.id,
-             'availability_zone': None,
+             'availability_zone': '',
              'storage': 'ephemeral_drive',
              'volumes_per_node': 0,
              'volumes_size': 0,
-             'volume_type': None,
+             'volume_type': '',
              'volume_local_to_instance': False,
-             'volumes_availability_zone': None,
-             'floating_ip_pool': None,
+             'volumes_availability_zone': '',
+             'floating_ip_pool': '',
              'is_proxy_gateway': False,
              'security_autogroup': True,
              'processes': 'HDFS:namenode',
@@ -328,10 +328,10 @@ class DataProcessingNodeGroupTests(test.TestCase):
             volumes_availability_zone=None,
             node_processes=['namenode'],
             node_configs={},
-            floating_ip_pool=None,
+            floating_ip_pool='',
             security_groups=[],
             auto_security_group=True,
-            availability_zone=None,
+            availability_zone='',
             use_autoconfig=True,
             is_proxy_gateway=False,
             shares=[],
diff --git a/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/workflows/create.py b/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/workflows/create.py
index 1087cffc..9efd4b17 100644
--- a/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/workflows/create.py
+++ b/sahara_dashboard/content/data_processing/clusters/nodegroup_templates/workflows/create.py
@@ -382,7 +382,7 @@ class CheckboxSelectMultiple(forms.CheckboxSelectMultiple):
             attrs.update(extra_attrs)
         return attrs
 
-    def render(self, name, value, attrs=None, choices=()):
+    def render(self, name, value, attrs=None, choices=(), renderer=None):
         if value is None:
             value = []
         has_id = attrs and 'id' in attrs
diff --git a/sahara_dashboard/test/test_data/sahara_data.py b/sahara_dashboard/test/test_data/sahara_data.py
index 8b6c0da6..b5be730c 100644
--- a/sahara_dashboard/test/test_data/sahara_data.py
+++ b/sahara_dashboard/test/test_data/sahara_data.py
@@ -133,7 +133,7 @@ def data(TEST):
     # Nodegroup_Templates.
     ngt1_dict = {
         "created_at": "2014-06-04T14:01:03",
-        "description": None,
+        "description": "",
         "flavor_id": "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa",
         "availability_zone": None,
         "floating_ip_pool": None,
diff --git a/tox.ini b/tox.ini
index e0f213b5..e63f5de7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = py3-dj111,py3-dj21,py27,py37,pep8
+envlist = py3-{dj111,dj22},py27,py37,pep8
 skipsdist = True
 
 [testenv]
@@ -10,7 +10,10 @@ deps = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 whitelist_externals = /bin/bash
-commands = {envpython} {toxinidir}/manage.py test --settings=sahara_dashboard.test.settings --exclude-tag integration {posargs}
+commands =
+  dj111: pip install django>=1.11,<2
+  dj22: pip install django>=2.2,<2.3
+  {envpython} {toxinidir}/manage.py test --settings=sahara_dashboard.test.settings --exclude-tag integration {posargs}
 
 [testenv:py27]
 setenv =
@@ -32,22 +35,6 @@ commands = flake8
 basepython = python3
 commands = {posargs}
 
-[testenv:py3-dj111]
-basepython = python3
-setenv =
-   DJANGO_SETTINGS_MODULE=sahara_dashboard.test.settings
-commands =
-  pip install django>=1.11,<2
-  {[testenv]commands}
-
-[testenv:py3-dj21]
-basepython = python3
-setenv =
-   DJANGO_SETTINGS_MODULE=sahara_dashboard.test.settings
-commands =
-  pip install django>=2.1,<2.2
-  {[testenv]commands}
-
 [testenv:py27integration]
 basepython = python2.7
 passenv = AVCONV_INSTALLED