INCR-155 Modernize openedx/core/djangoapps/video_config (#20408)

* run modernizer on openedx/core/djangoapps/embargo/

* sorting imports

* sort imports

* docstring

* try removing pylint disable

openedx/core/djangoapps/embargo/api.py

@@ -5,6 +5,7 @@ business logic that is not directly tied to the data itself.
 This API is exposed via the middleware(emabargo/middileware.py) layer but may be used directly in-process.
 
 """
+from __future__ import absolute_import
 import logging
 
 from django.conf import settings