diff --git a/tacker_horizon/openstack_dashboard/dashboards/nfv/vnffgmanager/views.py b/tacker_horizon/openstack_dashboard/dashboards/nfv/vnffgmanager/views.py
index 367019d..a90f3b3 100644
--- a/tacker_horizon/openstack_dashboard/dashboards/nfv/vnffgmanager/views.py
+++ b/tacker_horizon/openstack_dashboard/dashboards/nfv/vnffgmanager/views.py
@@ -93,8 +93,9 @@ class DetailView(tabs.TabView):
 
         try:
             vnffg = tacker_api.tacker.get_vnffg(self.request, vnffg_id)
-            vnffg["vnffg"]["mgmt_url"] = json.loads(vnffg["vnffg"]["mgmt_url"]) if \
-                vnffg["vnffg"].get("mgmt_url") else None
+            vnffg["vnffg"]["mgmt_url"] = json.loads(
+                vnffg["vnffg"]["mgmt_url"]) if vnffg["vnffg"].get(
+                "mgmt_url") else None
             return vnffg
         except ValueError as e:
             msg = _('Cannot decode json : %s') % e
diff --git a/test-requirements.txt b/test-requirements.txt
index 8a7b755..ed4d58e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@
 # be installed in a specific order.
 #
 # Hacking should appear first in case something else depends on pep8
-hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+hacking>=1.1.0,<1.2.0 # Apache-2.0
 #
 coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0.0 # BSD