NameError: name 'operation' is not defined #610

from collections import OrderedDict
from distutils import util
import os
import re
from typing import Callable, Dict, Optional, Sequence, Tuple, Type, Union
import pkg_resources

from google.api_core import client_options as client_options_lib  # type: ignore
from google.api_core import exceptions                            # type: ignore
from google.api_core import gapic_v1                              # type: ignore
from google.api_core import retry as retries                      # type: ignore
from google.auth import credentials                               # type: ignore
from google.auth.transport import mtls                            # type: ignore
from google.auth.transport.grpc import SslCredentials             # type: ignore
from google.auth.exceptions import MutualTLSChannelError          # type: ignore
from google.oauth2 import service_account                         # type: ignore

from google.api_core import operation as ga_operation  # type: ignore
from google.api_core import operation_async  # type: ignore
from google.cloud.aiplatform_v1beta1.services.specialist_pool_service import pagers
from google.cloud.aiplatform_v1beta1.types import operation as gca_operation
from google.cloud.aiplatform_v1beta1.types import specialist_pool
from google.cloud.aiplatform_v1beta1.types import specialist_pool as gca_specialist_pool
from google.cloud.aiplatform_v1beta1.types import specialist_pool_service
from google.protobuf import empty_pb2 as empty  # type: ignore
from google.protobuf import field_mask_pb2 as field_mask  # type: ignore

from .transports.base import SpecialistPoolServiceTransport, DEFAULT_CLIENT_INFO
from .transports.grpc import SpecialistPoolServiceGrpcTransport
from .transports.grpc_asyncio import SpecialistPoolServiceGrpcAsyncIOTransport

        # Wrap the response in an operation future.
>       response = operation.from_gapic(
            response,
            self._transport.operations_client,
            gca_specialist_pool.SpecialistPool,
            metadata_type=specialist_pool_service.UpdateSpecialistPoolOperationMetadata,
        )
E       NameError: name 'operation' is not defined

google/cloud/aiplatform_v1beta1/services/specialist_pool_service/client.py:745: NameError