This re-applies commit 36cc415 with handling an invalid context_key in the
`PartitionService`. It can happen when rendering a `LibraryContentBlock` in
Studio because this service is initialized by the modulestore when validating
an XBlock to gather its error messages in the `studio_xblock_wrapper`.
Status: Active Development Responsibilities ================ The courseware djangoapp is responsible for presenting course content to learners. Glossary ======== More Documentation ================== `Architectural Decision Records <https://github.com/openedx/edx-platform/tree/master/lms/djangoapps/courseware/docs/decisions>`_