Clean up flake8 related issues

awx/main/models/projects.py

@@ -10,7 +10,6 @@ import urlparse
 # Django
 from django.conf import settings
 from django.db import models
-from django.db.models import Q
 from django.utils.translation import ugettext_lazy as _
 from django.utils.encoding import smart_str, smart_text
 from django.core.exceptions import ValidationError

awx/main/models/unified_jobs.py

@@ -30,7 +30,6 @@ from djcelery.models import TaskMeta
 # AWX
 from awx.main.models.base import * # noqa
 from awx.main.models.schedules import Schedule
-from awx.main.models.notifications import Notification
 from awx.main.utils import decrypt_field, emit_websocket_notification, _inventory_updates
 from awx.main.redact import UriCleaner
 

awx/main/notifications/email_backend.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2016 Ansible, Inc.
 # All Rights Reserved.
 
-import logging
+import pprint
 
 from django.utils.encoding import smart_text
 from django.core.mail.backends.smtp import EmailBackend