in cfn_tools/_config.py [0:0]
def _apply_type(name: str, value: Any, dtype: Type, nullable: bool) -> Any:
if _Config._is_null(value=value) is True:
if nullable is True:
return None
ValueError(
f"{name} configuration does not accept null value." f" Please pass {dtype}."
)
if isinstance(value, dtype) is False:
value = dtype(value)
return value