(cls, dt)
This is intended to be a classmethod!
        :return: a TimePeriod object associated with the passed in date
This is intended to be a classmethod!
        :return: a TimePeriod object associated with the passed in date
This is intended to be a classmethod! : return : a TimePeriod object associated with the passed in date
def from_datetime(cls, dt):
        """
        This is intended to be a classmethod!
        :return: a TimePeriod object associated with the passed in date
        """
        pass
def from_datetime ( cls , dt ) : pass