[error] invalid-return-type - Return type does not match returned value: expected `tuple[MutableMapping[str, None | int | str | ... omitted 3 union elements] | None, str, Loader]`, found `tuple[None | int | float | ... omitted 3 union elements, Unknown | str, Loader]`
[error] invalid-return-type - Return type does not match returned value: expected `tuple[MutableMapping[str, None | int | str | ... omitted 3 union elements] | None, str, Loader]`, found `tuple[None | (int & Top[MutableMapping[Unknown, Unknown]]) | (float & Top[MutableMapping[Unknown, Unknown]]) | ... omitted 3 union elements, Unknown | str, Loader]`