Fixes for resolve review comments by mboersma

Author: v-reyder

rootfs/api/models/config.py

@@ -92,7 +92,7 @@ def set_registry(self):
     def set_tags(self, previous_config):
         """verify the tags exist on any nodes as labels"""
         if not self.tags:
-            if settings.DEIS_DEFAULT_CONFIG_TAGS != '':
+            if settings.DEIS_DEFAULT_CONFIG_TAGS:
                 try:
                     tags = json.loads(settings.DEIS_DEFAULT_CONFIG_TAGS)
                     self.tags = tags

rootfs/api/settings/production.py

@@ -309,7 +309,7 @@
 
 KUBERNETES_DEPLOYMENTS_REVISION_HISTORY_LIMIT = os.environ.get('KUBERNETES_DEPLOYMENTS_REVISION_HISTORY_LIMIT', None)  # noqa
 
-DEIS_DEFAULT_CONFIG_TAGS = str(os.environ.get('DEIS_DEFAULT_CONFIG_TAGS', ''))
+DEIS_DEFAULT_CONFIG_TAGS = os.environ.get('DEIS_DEFAULT_CONFIG_TAGS', '')
 
 # How long k8s waits for a pod to finish work after a SIGTERM before sending SIGKILL
 KUBERNETES_POD_TERMINATION_GRACE_PERIOD_SECONDS = int(os.environ.get('KUBERNETES_POD_TERMINATION_GRACE_PERIOD_SECONDS', 30))  # noqa

rootfs/api/settings/testing.py

@@ -39,4 +39,4 @@
 KUBERNETES_POD_TERMINATION_GRACE_PERIOD_SECONDS = int(os.environ.get('KUBERNETES_POD_TERMINATION_GRACE_PERIOD_SECONDS', 2))  # noqa
 KUBERNETES_NAMESPACE_DEFAULT_QUOTA_SPEC = '{"spec":{"hard":{"pods":"10"}}}'
 
-DEIS_DEFAULT_CONFIG_TAGS = str(os.environ.get('DEIS_DEFAULT_CONFIG_TAGS', ''))
+DEIS_DEFAULT_CONFIG_TAGS = os.environ.get('DEIS_DEFAULT_CONFIG_TAGS', '')