INCR-250: Make compatible with Python 3.x without breaking Python 2.7… (#20534)

* INCR-250: Make compatible with Python 3.x without breaking Python 2.7 support --> openedx/core/djangoapps/programs

* INCR-250: Disable pylint warning and replace _f placeholder with actual name

* INCR-250: pylint format correction and fix over length line limit

openedx/core/djangoapps/programs/apps.py

@@ -1,6 +1,8 @@
 """
 Programs Configuration
 """
+from __future__ import absolute_import
+
 from django.apps import AppConfig