flake8, pytest, license fixes

awx/main/signals.py

@@ -6,7 +6,6 @@ import contextlib
 import logging
 import threading
 import json
-import pkg_resources
 import sys
 
 # Django

awx/main/tests/functional/api/test_settings.py

@@ -8,7 +8,6 @@ import os
 import time
 
 from django.conf import settings
-import redis
 
 # Mock
 from unittest import mock

awx/main/tests/functional/models/test_schedule.py

@@ -103,7 +103,8 @@ class TestComputedFields:
             Schedule.objects.filter(pk=s.pk).update(next_run=old_next_run)
             s.next_run = old_next_run
             prior_modified = s.modified
-            s.update_computed_fields()
+            with mock.patch('awx.main.models.schedules.emit_channel_notification'):
+                s.update_computed_fields()
             assert s.next_run != old_next_run
             assert s.modified == prior_modified
 
@@ -133,7 +134,8 @@ class TestComputedFields:
             assert s.next_run is None
             assert job_template.next_schedule is None
             s.rrule = self.distant_rrule
-            s.update_computed_fields()
+            with mock.patch('awx.main.models.schedules.emit_channel_notification'):
+                s.update_computed_fields()
             assert s.next_run is not None
             assert job_template.next_schedule == s