_ObjType = TypeVar('_ObjType')

def _isSubclass2(t1: Type, t2: Type) -> bool:

    """same as issubclass but t1 can be a NewType"""

    if hasattr(t1, '__supertype__'):

    return issubclass(t1, t2)

def typedValue(objType: Type[_ObjType], graph, subj, pred) -> _ObjType:

    """graph.value(subj, pred) with a given return type. 

    If objType is not an rdflib.Node, we toPython() the value."""