INCR-231: Run python-modernize and isort at common/djangoapps/entitlements (#20515)

common/djangoapps/entitlements/admin.py

 """Admin forms for Course Entitlements"""
+from __future__ import absolute_import
+
 from django import forms
 from django.contrib import admin
 from opaque_keys import InvalidKeyError

common/djangoapps/entitlements/apps.py

@@ -4,6 +4,8 @@ Entitlements Application Configuration
 Signal handlers are connected here.
 """
 
+from __future__ import absolute_import
+
 from django.apps import AppConfig
 
 

common/djangoapps/entitlements/models.py

 """Entitlement Models"""
 
+from __future__ import absolute_import
+
 import logging
 import uuid as uuid_tools
 from datetime import timedelta

common/djangoapps/entitlements/signals.py

@@ -2,6 +2,8 @@
 Entitlements related signal handlers.
 """
 
+from __future__ import absolute_import
+
 from django.dispatch import receiver
 
 from entitlements.models import CourseEntitlement

common/djangoapps/entitlements/tasks.py

@@ -2,13 +2,14 @@
 This file contains celery tasks for entitlements-related functionality.
 """
 
+from __future__ import absolute_import
+
 from celery import task
 from celery.utils.log import get_task_logger
 from django.conf import settings
 
 from entitlements.models import CourseEntitlement
 
-
 LOGGER = get_task_logger(__name__)
 # Under cms the following setting is not defined, leading to errors during tests.
 ROUTING_KEY = getattr(settings, 'ENTITLEMENTS_EXPIRATION_ROUTING_KEY', None)

common/djangoapps/entitlements/utils.py

@@ -2,6 +2,8 @@
 Utility methods for the entitlement application.
 """
 
+from __future__ import absolute_import
+
 import logging
 
 from django.utils import timezone