Fix: get_module_slottype() no longer throws errors on unknown modules.
Fix: get_module_slottype() no longer throws errors on unknown modules.

wffurr/osmium,osmium-org/osmium,osmium-org/osmium,wffurr/osmium,wffurr/osmium,wffurr/osmium,osmium-org/osmium,osmium-org/osmium