How to use the azure-mgmt-kusto.azure.mgmt.kusto.models.__dict__ function in azure-mgmt-kusto

def __init__(
            self, credentials, subscription_id, base_url=None):

        self.config = KustoManagementClientConfiguration(credentials, subscription_id, base_url)
        super(KustoManagementClient, self).__init__(self.config.credentials, self.config)

        client_models = {k: v for k, v in models.__dict__.items() if isinstance(v, type)}
        self.api_version = '2019-01-21'
        self._serialize = Serializer(client_models)
        self._deserialize = Deserializer(client_models)

        self.clusters = ClustersOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.databases = DatabasesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.data_connections = DataConnectionsOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.operations = Operations(
            self._client, self.config, self._serialize, self._deserialize)