def is_date_type(cls):
    """Return True if the class is a date type."""
    if not isinstance(cls, type):
        return False
    return issubclass(cls, date) and not issubclass(cls, datetime)
def is_date_type(cls):
    """Return True if the class is a date type."""
    if not isinstance(cls, type):
        return False
    return issubclass(cls, date) and not issubclass(cls, datetime)
def is_date_type ( cls ) : if not isinstance ( cls , type ) : return False return issubclass ( cls , date ) and not issubclass ( cls , datetime )
Return True if the class is a date type.
Return True if the class is a date type .