Function _remove_dispatcher

lib/sqlalchemy/event/base.py:219–223

(cls: Type[_HasEventsDispatch[_ET]])

def _remove_dispatcher(cls: Type[_HasEventsDispatch[_ET]]) -> None:
    for k in cls.dispatch._event_names:
        _registrars[k].remove(cls)
        if not _registrars[k]:
            del _registrars[k]


class _HasEventsDispatch(Generic[_ET]):