For mysql, it seems `is_in_memory_db` does not even exist. Ensure it exists before calling it.
Status: Active Development Responsibilities ================ The courseware djangoapp is responsible for presenting course content to learners. Glossary ======== More Documentation ================== `Architectural Decision Records <https://github.com/edx/edx-platform/tree/master/lms/djangoapps/courseware/docs/decisions>`_