[datafeed] io.BytesIO requires a buffer, not a unicode (closes #9783743)
The URLLibResponseAdapter should probably be refactored (or killed?)
sync_schema_props_perms('state_of')
sync_schema_props_perms('transition_of')
sync_schema_props_perms('State')
sync_schema_props_perms('BaseTransition')
sync_schema_props_perms('Transition')
sync_schema_props_perms('WorkflowTransition')