run python modernize

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

 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+from __future__ import absolute_import
 from django.db import migrations, models
 from django.conf import settings
 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
 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
 import logging
 
 from ccx_keys.locator import CCXLocator
@@ -12,6 +13,7 @@ from lms.djangoapps.ccx.utils import (
     add_master_course_staff_to_ccx,
     remove_master_course_staff_from_ccx,
 )
+import six
 
 log = logging.getLogger("edx.ccx")
 
@@ -31,7 +33,7 @@ def add_master_course_staff_to_ccx_for_existing_ccx(apps, schema_editor):
         if not ccx.course_id or ccx.course_id.deprecated:
             # prevent migration for deprecated course ids or invalid ids.
             continue
-        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, unicode(ccx.id))
+        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, six.text_type(ccx.id))
         try:
             course = get_course_by_id(ccx.course_id)
             add_master_course_staff_to_ccx(
@@ -63,7 +65,7 @@ def remove_master_course_staff_from_ccx_for_existing_ccx(apps, schema_editor):
         if not ccx.course_id or ccx.course_id.deprecated:
             # prevent migration for deprecated course ids or invalid ids.
             continue
-        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, unicode(ccx.id))
+        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, six.text_type(ccx.id))
         try:
             course = get_course_by_id(ccx.course_id)
             remove_master_course_staff_from_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
 import logging
 
 from ccx_keys.locator import CCXLocator
@@ -12,6 +13,7 @@ from openedx.core.djangoapps.django_comment_common.models import FORUM_ROLE_ADMI
     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
 
 log = logging.getLogger("edx.ccx")
 
@@ -44,7 +46,7 @@ def seed_forum_roles_for_existing_ccx(apps, schema_editor):
             )
             continue
 
-        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, unicode(ccx.id))
+        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, six.text_type(ccx.id))
 
         # Create forum roles.
         admin_role, _ = Role.objects.get_or_create(name=FORUM_ROLE_ADMINISTRATOR, course_id=ccx_locator)

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

 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
+from __future__ import absolute_import
 import logging
 
 from django.contrib.auth.models import User
@@ -9,6 +10,7 @@ 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")
@@ -31,18 +33,18 @@ def change_existing_ccx_coaches_to_staff(apps, schema_editor):
         return
     list_ccx = CustomCourseForEdX.objects.using(db_alias).all()
     for ccx in list_ccx:
-        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, unicode(ccx.id))
+        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, six.text_type(ccx.id))
         try:
             course = get_course_by_id(ccx_locator)
         except Http404:
-            log.error('Could not migrate access for CCX course: %s', unicode(ccx_locator))
+            log.error('Could not migrate access for CCX course: %s', six.text_type(ccx_locator))
         else:
             coach = User.objects.get(id=ccx.coach.id)
             allow_access(course, coach, 'staff', send_email=False)
             revoke_access(course, coach, 'ccx_coach', send_email=False)
             log.info(
                 'The CCX coach of CCX %s has been switched from "CCX Coach" to "Staff".',
-                unicode(ccx_locator)
+                six.text_type(ccx_locator)
             )
 
 def revert_ccx_staff_to_coaches(apps, schema_editor):
@@ -61,18 +63,18 @@ def revert_ccx_staff_to_coaches(apps, schema_editor):
         return
     list_ccx = CustomCourseForEdX.objects.using(db_alias).all()
     for ccx in list_ccx:
-        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, unicode(ccx.id))
+        ccx_locator = CCXLocator.from_course_locator(ccx.course_id, six.text_type(ccx.id))
         try:
             course = get_course_by_id(ccx_locator)
         except Http404:
-            log.error('Could not migrate access for CCX course: %s', unicode(ccx_locator))
+            log.error('Could not migrate access for CCX course: %s', six.text_type(ccx_locator))
         else:
             coach = User.objects.get(id=ccx.coach.id)
             allow_access(course, coach, 'ccx_coach', send_email=False)
             revoke_access(course, coach, 'staff', send_email=False)
             log.info(
                 'The CCX coach of CCX %s has been switched from "Staff" to "CCX Coach".',
-                unicode(ccx_locator)
+                six.text_type(ccx_locator)
             )
 
 class Migration(migrations.Migration):

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

@@ -2,6 +2,7 @@
 # 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