BOM-2320 : Pylint amnesty in course apps under openedx (#26348)

openedx/core/djangoapps/course_date_signals/__init__.py

openedx/core/djangoapps/course_date_signals/apps.py

openedx/core/djangoapps/course_date_signals/handlers.py

openedx/core/djangoapps/course_date_signals/tests.py

openedx/core/djangoapps/course_groups/api.py

openedx/core/djangoapps/course_groups/cohorts.py

openedx/core/djangoapps/course_groups/models.py

openedx/core/djangoapps/course_groups/serializers.py

openedx/core/djangoapps/course_groups/tests/helpers.py

openedx/core/djangoapps/course_groups/tests/test_cohorts.py

...e/djangoapps/course_groups/tests/test_partition_scheme.py

openedx/core/djangoapps/course_groups/tests/test_views.py

openedx/core/djangoapps/course_groups/views.py

...ursegraph/management/commands/tests/test_dump_to_neo4j.py

...djangoapps/coursegraph/management/commands/tests/utils.py

openedx/core/djangoapps/coursegraph/tasks.py

openedx/core/djangoapps/courseware_api/serializers.py

openedx/core/djangoapps/courseware_api/tests/test_views.py

openedx/core/djangoapps/courseware_api/views.py