Bump hacking

hacking 3.x is quite old. Bump it to the recent version currently used
in most of the neutron repos.

Also remove the note about old pip's behavior because recent pip does
not require specific order.

Change-Id: If66ef2135abbf9724a368cf579a1909cfc04d117

neutron_fwaas_dashboard/dashboards/project/firewalls_v2/tables.py

@@ -19,7 +19,6 @@ from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 from django.utils.translation import ngettext_lazy
 from django.utils.translation import pgettext_lazy
-
 from horizon import exceptions
 from horizon import tables
 from openstack_dashboard.dashboards.project.networks.ports \

neutron_fwaas_dashboard/dashboards/project/firewalls_v2/tabs.py

@@ -13,7 +13,6 @@
 #    under the License.
 
 from django.utils.translation import gettext_lazy as _
-
 from horizon import exceptions
 from horizon import tabs
 from openstack_dashboard.api import neutron as api_neutron

neutron_fwaas_dashboard/dashboards/project/firewalls_v2/tests.py

@@ -15,7 +15,6 @@
 from unittest import mock
 
 from django.urls import reverse
-
 from openstack_dashboard.test import helpers
 
 from neutron_fwaas_dashboard.api import fwaas_v2 as api_fwaas_v2

neutron_fwaas_dashboard/dashboards/project/firewalls_v2/views.py

@@ -15,7 +15,6 @@
 from django.urls import reverse
 from django.urls import reverse_lazy
 from django.utils.translation import gettext_lazy as _
-
 from horizon import exceptions
 from horizon import forms
 from horizon import tabs

neutron_fwaas_dashboard/test/api_tests/test_fwaas_v2.py

@@ -16,7 +16,6 @@ from unittest import mock
 
 from neutronclient.v2_0.client import Client as neutronclient
 import openstack_dashboard.api.nova as nova
-
 from openstack_dashboard.test import helpers
 
 from neutron_fwaas_dashboard.api import fwaas_v2 as api_fwaas_v2

neutron_fwaas_dashboard/test/settings.py

@@ -12,9 +12,8 @@
 
 # Default to Horizons test settings to avoid any missing keys
 from horizon.test.settings import *  # noqa
-from openstack_dashboard.test.settings import *  # noqa
-
 import openstack_dashboard.enabled
+from openstack_dashboard.test.settings import *  # noqa
 from openstack_dashboard.utils import settings
 
 import neutron_fwaas_dashboard.enabled

requirements.txt

@@ -2,10 +2,6 @@
 # date but we do not test them so no guarantee of having them all correct. If
 # you find any incorrect lower bounds, let us know or propose a fix.
 
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
-
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 horizon>=17.1.0 # Apache-2.0
 python-neutronclient>=6.7.0 # Apache-2.0

test-requirements.txt

@@ -1,12 +1,7 @@
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
-
-# Hacking should appear first in case something else depends on pep8
-hacking>=3.0.1,<3.1.0 # Apache-2.0
+hacking>=6.1.0,<6.2.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
-flake8-import-order==0.13 # LGPLv3
+flake8-import-order>=0.18.0,<0.19.0 # LGPLv3
 sphinx>=2.0.0,!=2.1.0 # BSD
 openstackdocstheme>=2.2.1 # Apache-2.0
 reno>=3.1.0 # Apache-2.0