Method with_dispatch_target

lib/sqlalchemy/event/registry.py:273–283

(self, dispatch_target: Any)

            )

    def with_dispatch_target(self, dispatch_target: Any) -> _EventKey[_ET]:
        if dispatch_target is self.dispatch_target:
            return self
        else:
            return _EventKey(
                self.target,
                self.identifier,
                self.fn,
                dispatch_target,
                _fn_wrap=self.fn_wrap,
            )

    def listen(self, *args: Any, **kw: Any) -> None:
        once = kw.pop("once", False)