def create(self, string):
        """Deserialize an xml-formatted security group create request"""
        dom = minidom.parseString(string)
        security_group = {}
        sg_node = self.find_first_child_named(dom,
                                               'security_group')
        if sg_node in None:
            if sg_node.hasAttribute('name'):
                security_group['name'] = sg_node.getAttribute('name')
            desc_node = self.find_first_child_named(sg_node,
                                                     "description")
            if desc_node:
                security_group['description'] = self.extract_text(desc_node)
        return {'body': {'security_group': security_group}}
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/contrib/security_groups.py/SecurityGroupXMLDeserializer.create/operator `is not` -> `in`