Switch to hacking 3.0

This patch update hacking version to 3.0.0[1]. In order to make code
compatible with new hacking rules E305, E117 pep8 errors are fixed
in code. It also drop flake8, hacking, django-babel, mox3, six
packages from lower-requirements.txt

[1] http://lists.openstack.org/pipermail/openstack-discuss/2020-May/014828.html

Change-Id: I86bc2faed43e7df38682e23866ad4a4303e82667

lower-constraints.txt

@@ -16,7 +16,6 @@ decorator==4.2.1
 deprecation==2.0
 Django==2.2
 django-appconf==1.0.2
-django-babel==0.6.2
 django-compressor==2.0
 django-debreach==1.4.2
 django-pyscss==2.0.2
@@ -26,9 +25,7 @@ dulwich==0.15.0
 extras==1.0.0
 fasteners==0.7.0
 fixtures==3.0.0
-flake8==2.5.5
 futurist==1.2.0
-hacking==0.12.0
 horizon==17.1.0
 idna==2.6
 imagesize==0.7.1
@@ -42,7 +39,6 @@ keystoneauth1==3.6.2
 linecache2==1.0.0
 MarkupSafe==1.0
 mccabe==0.2.1
-mock==2.0.0
 monotonic==1.4
 msgpack==0.5.6
 msgpack-python==0.4.0
@@ -95,7 +91,6 @@ requestsexceptions==1.4.0
 rfc3986==1.1.0
 semantic-version==2.3.1
 simplejson==3.13.2
-six==1.11.0
 snowballstemmer==1.2.1
 Sphinx==1.6.5
 sphinxcontrib-websupport==1.0.1

tacker_horizon/openstack_dashboard/dashboards/nfv/dashboard.py

@@ -38,4 +38,5 @@ class Nfv(horizon.Dashboard):
     default_panel = 'vnfcatalog'  # Specify the slug of the dashboard's
     # default panel.
 
+
 horizon.register(Nfv)

tacker_horizon/openstack_dashboard/dashboards/nfv/nsmanager/tables.py

@@ -66,8 +66,8 @@ class NSUpdateRow(tables.Row):
         try:
             # stack = api.heat.stack_get(request, stack_id)
             # if stack.stack_status == 'DELETE_COMPLETE':
-                # returning 404 to the ajax call removes the
-                # row from the table on the ui
+            # returning 404 to the ajax call removes the
+            # row from the table on the ui
             #    raise Http404
             item = NSManagerItemList.get_obj_given_stack_ids(ns_id)
             ns_instance = api.tacker.get_ns(request, ns_id)

tacker_horizon/openstack_dashboard/dashboards/nfv/vnfmanager/tables.py

@@ -95,8 +95,8 @@ class VNFUpdateRow(tables.Row):
         try:
             # stack = api.heat.stack_get(request, stack_id)
             # if stack.stack_status == 'DELETE_COMPLETE':
-                # returning 404 to the ajax call removes the
-                # row from the table on the ui
+            # returning 404 to the ajax call removes the
+            # row from the table on the ui
             #    raise Http404
             item = VNFManagerItemList.get_obj_given_stack_id(vnf_id)
             vnf_instance = api.tacker.get_vnf(request, vnf_id)

test-requirements.txt

@@ -7,10 +7,9 @@
 # be installed in a specific order.
 #
 # Hacking should appear first in case something else depends on pep8
-hacking>=1.1.0,<1.2.0 # Apache-2.0
+hacking>=3.0.1,<3.1.0 # Apache-2.0
 #
 coverage!=4.4,>=4.0 # Apache-2.0
-mock>=2.0.0 # BSD
 nodeenv>=0.9.4 # BSD
 # This also needs xvfb library installed on your OS
 xvfbwrapper>=0.1.3 #license: MIT