Fix get_content_fallback_pathspaths function to handle list, not str
Fix get_content_fallback_pathspaths function to handle list, not str

indirectlylit/kolibri,mrpau/kolibri,learningequality/kolibri,learningequality/kolibri,mrpau/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,learningequality/kolibri,mrpau/kolibri,indirectlylit/kolibri,learningequality/kolibri,mrpau/kolibri