def _from_json(self, datastring):
        try:
            return utils.loads(datastring)
        except __HOLE__:
            msg = _("cannot understand JSON")
            raise exception.MalformedRequestBody(reason=msg)
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/wsgi.py/JSONDeserializer._from_json