def force_auto(service, _type):
storable = service.byPythonType(_type, istype=True)<EOL>version = max(handler.version[<NUM_LIT:0>] for handler in storable.handlers) + <NUM_LIT:1><EOL>_storable = default_storable(_type, version=(version, ))<EOL>storable.handlers.append(_storable.handlers[<NUM_LIT:0>])<EOL>
Helper for forcing autoserialization of a datatype with already registered explicit
storable instance.

Arguments:

    service (StorableService): active storable service.

    _type (type): type to be autoserialized.

**Not tested**