def tensor_field_map(self) -> Dict[str, TensorField]:
        """
        A map from tensor field name to the TensorField object.
        """
        return self._cache_or_get('tensor_field_map',
                                  lambda: {tensor_field.name: tensor_field for tensor_field in self.tensor_fields}
                                  )

        A map from tensor field name to the TensorField object.
        
src/marqo/core/models/marqo_index.py