Add django.wsgi to target of pep8

The django.wsgi file should be adjusted to meet pep8 standards
and apply pep8 check to django.wsgi automatically.

Change-Id: Iaee708e95b7209c5ff19129a98af37914f320bd

openstack_dashboard/wsgi/django.wsgi

@@ -1,11 +1,30 @@
-import logging
+# Copyright (c) 2017 OpenStack Foundation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+WSGI config for openstack_dashboard project.
+"""
+
 import os
 import sys
+
 from django.core.wsgi import get_wsgi_application
-from django.conf import settings
 
 # Add this file path to sys.path in order to import settings
-sys.path.insert(0, os.path.normpath(os.path.join(os.path.dirname(os.path.realpath(__file__)), '../..')))
+sys.path.insert(0, os.path.normpath(os.path.join(
+    os.path.dirname(os.path.realpath(__file__)), '../..')))
 os.environ['DJANGO_SETTINGS_MODULE'] = 'openstack_dashboard.settings'
 sys.stdout = sys.stderr
 

tox.ini

@@ -137,6 +137,7 @@ commands =
   sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [flake8]
+filename = *.py,django.wsgi
 exclude = .venv,.git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_template,local_settings.py,*/local/*,*/test/test_plugins/*,.ropeproject,node_modules,openstack_dashboard/enabled/*
 ignore =
 # Enable the following hacking rules which are disabled by default