INCR-152: Run python-modernize on openedx/core/djangoapps/crawlers (#20487)

openedx/core/djangoapps/crawlers/admin.py

@@ -1,4 +1,6 @@
 """Admin panel for configuring which user agents we consider to be Crawlers."""
+from __future__ import absolute_import
+
 from config_models.admin import ConfigurationModelAdmin
 from django.contrib import admin
 

openedx/core/djangoapps/crawlers/migrations/0001_initial.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
 from django.db import migrations, models
 import django.db.models.deletion

openedx/core/djangoapps/crawlers/migrations/0002_auto_20170419_0018.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
 from django.db import migrations, models
 

openedx/core/djangoapps/crawlers/models.py

@@ -2,6 +2,8 @@
 This module handles the detection of crawlers, so that we can handle them
 appropriately in other parts of the code.
 """
+from __future__ import absolute_import
+
 import six
 from config_models.models import ConfigurationModel
 from django.db import models

openedx/core/djangoapps/crawlers/tests/test_models.py

@@ -2,6 +2,8 @@
 """
 Tests that the request came from a crawler or not.
 """
+from __future__ import absolute_import
+
 import ddt
 from django.test import TestCase
 from django.http import HttpRequest