Fix pep8 errors in tacker-horizon

This Patch fixes flake8 errors and
enables this tests for all new patches to tacker-horizon.

F401 imported but unused

see OpenStack Style Guidelines
http://docs.openstack.org/developer/hacking/

Change-Id: I98ffe1dac2de156ed2766be8f32a931ccd9a2aa0
Partial-Bug: #1531680

tacker_horizon/openstack_dashboard/api/tacker.py

@@ -14,24 +14,13 @@
 
 from __future__ import absolute_import
 
-import collections
 import logging
 
-import netaddr
-
 from django.conf import settings
-from django.utils.datastructures import SortedDict
-from django.utils.translation import ugettext_lazy as _
-from neutronclient.common import exceptions as neutron_exc
-from neutronclient.v2_0 import client as neutron_client
 from tackerclient.v1_0 import client as tacker_client
 
-from horizon import messages
 from horizon.utils.memoized import memoized  # noqa
 from openstack_dashboard.api import base
-from openstack_dashboard.api import network_base
-from openstack_dashboard.api import nova
-from openstack_dashboard import policy
 
 
 LOG = logging.getLogger(__name__)

tacker_horizon/openstack_dashboard/dashboards/nfv/vnfcatalog/forms.py

@@ -12,8 +12,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-
-from django.core.urlresolvers import reverse
 from django.forms import ValidationError
 from django.utils.translation import ugettext_lazy as _
 
@@ -23,8 +21,6 @@ from horizon import messages
 
 from tacker_horizon.openstack_dashboard import api
 
-import yaml
-
 
 class OnBoardVNF(forms.SelfHandlingForm):
     name = forms.CharField(max_length=80, label=_("Name"), required=False)

tacker_horizon/openstack_dashboard/dashboards/nfv/vnfcatalog/tabs.py

@@ -15,8 +15,6 @@
 
 from django.utils.translation import ugettext_lazy as _
 
-import uuid
-
 from horizon import exceptions
 from horizon import tabs
 

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

@@ -13,7 +13,6 @@
 # under the License.
 
 import logging
-import yaml
 
 from django.forms import ValidationError
 from django.utils.translation import ugettext_lazy as _

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

@@ -17,14 +17,9 @@ from django.core.urlresolvers import reverse
 from django.core.urlresolvers import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from horizon import exceptions
 from horizon import forms
 from horizon import tabs
 
-from horizon.utils import memoized
-
-from tacker_horizon.openstack_dashboard import api
-
 from tacker_horizon.openstack_dashboard.dashboards.nfv.vnfmanager \
     import forms as project_forms
 

tacker_horizon/test/urls.py

@@ -13,7 +13,6 @@
 # under the License.
 
 from django.conf import urls
-from django.views import generic
 
 import openstack_dashboard.urls
 

tox.ini

@@ -45,5 +45,4 @@ commands = {posargs}
 
 [flake8]
 # H701 Empty localization string
-# F401 imported but unused
-ignore = H701,F401
+ignore = H701