Applied pylint-amnesty to courseware

lms/djangoapps/courseware/__init__.py

lms/djangoapps/courseware/access.py

lms/djangoapps/courseware/access_response.py

lms/djangoapps/courseware/access_utils.py

lms/djangoapps/courseware/course_tools.py

lms/djangoapps/courseware/courses.py

lms/djangoapps/courseware/courseware_access_exception.py

lms/djangoapps/courseware/date_summary.py

lms/djangoapps/courseware/exceptions.py

lms/djangoapps/courseware/field_overrides.py

lms/djangoapps/courseware/management/commands/clean_xml.py

...ngoapps/courseware/management/commands/dump_course_ids.py

...s/courseware/management/commands/dump_course_structure.py

lms/djangoapps/courseware/masquerade.py

lms/djangoapps/courseware/model_data.py

lms/djangoapps/courseware/models.py

lms/djangoapps/courseware/module_render.py

lms/djangoapps/courseware/rules.py

lms/djangoapps/courseware/self_paced_overrides.py

lms/djangoapps/courseware/services.py