remove usage of import * and enforce F405 in our linter

import * is a scourge upon the earth

awx/conf/fields.py

@@ -8,7 +8,10 @@ from django.core.validators import URLValidator
 from django.utils.translation import ugettext_lazy as _
 
 # Django REST Framework
-from rest_framework.fields import *  # noqa
+from rest_framework.fields import (  # noqa
+    BooleanField, CharField, ChoiceField, DictField, EmailField, IntegerField,
+    ListField, NullBooleanField
+)
 
 logger = logging.getLogger('awx.conf.fields')
 

awx/conf/views.py

@@ -17,10 +17,15 @@ from rest_framework import serializers
 from rest_framework import status
 
 # Tower
-from awx.api.generics import *  # noqa
+from awx.api.generics import (
+    APIView,
+    GenericAPIView,
+    ListAPIView,
+    RetrieveUpdateDestroyAPIView,
+)
 from awx.api.permissions import IsSuperUser
 from awx.api.versioning import reverse, get_request_version
-from awx.main.utils import *  # noqa
+from awx.main.utils import camelcase_to_underscore
 from awx.main.utils.handlers import AWXProxyHandler, LoggingConnectivityException
 from awx.main.tasks import handle_setting_changes
 from awx.conf.license import get_licensed_features