flake8 fixes

awx/main/scheduler/__init__.py

@@ -4,7 +4,6 @@
 # Python
 import datetime
 import logging
-import struct, fcntl, os
 
 # Django
 from django.conf import settings

awx/main/scheduler/dag_simple.py

@@ -1,11 +1,11 @@
 
 from awx.main.models import (
-        Job,
-        AdHocCommand,
-        InventoryUpdate,
-        ProjectUpdate,
-        WorkflowJob,
-        SystemJob,
+    Job,
+    AdHocCommand,
+    InventoryUpdate,
+    ProjectUpdate,
+    WorkflowJob,
+    SystemJob,
 )
 
 class SimpleDAG(object):

awx/main/tasks.py

@@ -52,7 +52,6 @@ from awx.main.task_engine import TaskSerializer, TASK_TIMEOUT_INTERVAL
 from awx.main.utils import (get_ansible_version, get_ssh_version, decrypt_field, update_scm_url,
                             emit_websocket_notification,
                             check_proot_installed, build_proot_temp_dir, wrap_args_with_proot)
-from awx.main.scheduler.dag_workflow import WorkflowDAG
 
 __all__ = ['RunJob', 'RunSystemJob', 'RunProjectUpdate', 'RunInventoryUpdate',
            'RunAdHocCommand', 'RunWorkflowJob', 'handle_work_error', 

awx/main/tests/base.py

@@ -12,7 +12,6 @@ import sys
 import tempfile
 import time
 import urllib
-from multiprocessing import Process
 import re
 import mock
 
@@ -30,7 +29,6 @@ from django.utils.encoding import force_text
 
 # AWX
 from awx.main.models import * # noqa
-from awx.main.management.commands.run_callback_receiver import CallbackReceiver
 from awx.main.utils import get_ansible_version
 from awx.main.task_engine import TaskEngager as LicenseWriter
 from awx.sso.backends import LDAPSettings