run isort

lms/djangoapps/ccx/migrations/0001_initial.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
-from __future__ import absolute_import
-from django.db import migrations, models
 from django.conf import settings
+from django.db import migrations, models
 from opaque_keys.edx.django.models import CourseKeyField, UsageKeyField
 
 

lms/djangoapps/ccx/migrations/0002_customcourseforedx_structure_json.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
-from __future__ import absolute_import
 from django.db import migrations, models
 
 

lms/djangoapps/ccx/migrations/0003_add_master_course_staff_in_ccx.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
-from __future__ import absolute_import
 import logging
 
+import six
 from ccx_keys.locator import CCXLocator
-from courseware.courses import get_course_by_id
 from django.db import migrations
 from django.http import Http404
 
-from lms.djangoapps.ccx.utils import (
-    add_master_course_staff_to_ccx,
-    remove_master_course_staff_from_ccx,
-)
-import six
+from courseware.courses import get_course_by_id
+from lms.djangoapps.ccx.utils import add_master_course_staff_to_ccx, remove_master_course_staff_from_ccx
 
 log = logging.getLogger("edx.ccx")
 

lms/djangoapps/ccx/migrations/0004_seed_forum_roles_in_ccx_courses.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
-from __future__ import absolute_import
 import logging
 
+import six
 from ccx_keys.locator import CCXLocator
-from courseware.courses import get_course_by_id
 from django.db import migrations
 from django.http import Http404
 
-from openedx.core.djangoapps.django_comment_common.models import FORUM_ROLE_ADMINISTRATOR, FORUM_ROLE_MODERATOR, \
-    FORUM_ROLE_COMMUNITY_TA, FORUM_ROLE_STUDENT
-from openedx.core.djangoapps.django_comment_common.utils import STUDENT_ROLE_PERMISSIONS,  MODERATOR_ROLE_PERMISSIONS, \
-    ADMINISTRATOR_ROLE_PERMISSIONS
-import six
+from courseware.courses import get_course_by_id
+from openedx.core.djangoapps.django_comment_common.models import (
+    FORUM_ROLE_ADMINISTRATOR,
+    FORUM_ROLE_COMMUNITY_TA,
+    FORUM_ROLE_MODERATOR,
+    FORUM_ROLE_STUDENT
+)
+from openedx.core.djangoapps.django_comment_common.utils import (
+    ADMINISTRATOR_ROLE_PERMISSIONS,
+    MODERATOR_ROLE_PERMISSIONS,
+    STUDENT_ROLE_PERMISSIONS
+)
 
 log = logging.getLogger("edx.ccx")
 

lms/djangoapps/ccx/migrations/0005_change_ccx_coach_to_staff.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-from __future__ import absolute_import
+from __future__ import absolute_import, unicode_literals
+
 import logging
 
+import six
+from ccx_keys.locator import CCXLocator
 from django.contrib.auth.models import User
 from django.db import migrations
 from django.http import Http404
 
-from ccx_keys.locator import CCXLocator
 from courseware.courses import get_course_by_id
 from instructor.access import allow_access, revoke_access
-import six
-
 
 log = logging.getLogger("edx.ccx")
 

lms/djangoapps/ccx/migrations/0006_set_display_name_as_override.py

 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.15 on 2018-08-31 18:13
-from __future__ import unicode_literals
-
-from __future__ import absolute_import
-from django.db import migrations
-from django.http import Http404
+from __future__ import absolute_import, unicode_literals
 
 import json
 import logging
 
 from ccx_keys.locator import CCXLocator
+from django.db import migrations
+from django.http import Http404
+
 from courseware.courses import get_course_by_id
 
 log = logging.getLogger(__name__)