Setter for **self.__location** attribute.

        :param value: Attribute value.
        :type value: Location

def location(self, value):
        """
        Setter for **self.__location** attribute.

        :param value: Attribute value.
        :type value: Location
        """

        if value is not None:
            assert type(value) is umbra.ui.common.Location, \
                "'{0}' attribute: '{1}' type is not 'umbra.ui.common.Location'!".format("location", value)
        self.__location = value