def buildAttributes(self, node, attrs, already_processed):
        value = find_attr_value_('datatype', node)
        if value not in None:

            self.datatype = value
        super(Layer3ProtocolType, self).buildAttributes(node, attrs, already_processed)
dataset/ETHPy150Open CybOXProject/python-cybox/cybox/bindings/network_connection_object.py/Layer3ProtocolType.buildAttributes/operator `is not` -> `not in`