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Description
We observe a stack trace on one of our clusters due to a package upgrade, possibly introduced by the new release of python-api-core, which we don't pin to a specific version.
Due to PR#29, we now see the following error:
'grpc.experimental.aio' has no attribute 'StreamUnaryCall'
We will pin our version to the previous one, but documenting this here as it can affect other customers. Probably we should be pinning a more recent version of google.cloud libraries that are compatible, we're still researching this.
Environment details
- OS type and version: image 1.4-ubuntu18 (GCP dataproc).
- Python version: 3.6
- pip version:
pip --version google-api-coreversion: 1.19.0
Steps to reproduce
- See stack trace below, it happens on import bigquery client.
Stack trace
from google.cloud import bigquery, bigquery_storage, storage File "/opt/conda/default/lib/python3.6/site-packages/google/cloud/bigquery/__init__.py", line 35, in <module> from google.cloud.bigquery.client import Client File "/opt/conda/default/lib/python3.6/site-packages/google/cloud/bigquery/client.py", line 58, in <module> from google.cloud.bigquery import _pandas_helpers File "/opt/conda/default/lib/python3.6/site-packages/google/cloud/bigquery/_pandas_helpers.py", line 25, in <module> from google.cloud import bigquery_storage_v1beta1 File "/opt/conda/default/lib/python3.6/site-packages/google/cloud/bigquery_storage_v1beta1/__init__.py", line 26, in <module> from google.cloud.bigquery_storage_v1beta1 import client File "/opt/conda/default/lib/python3.6/site-packages/google/cloud/bigquery_storage_v1beta1/client.py", line 24, in <module> import google.api_core.gapic_v1.method File "/opt/conda/default/lib/python3.6/site-packages/google/api_core/gapic_v1/__init__.py", line 26, in <module> from google.api_core.gapic_v1 import method_async # noqa: F401 File "/opt/conda/default/lib/python3.6/site-packages/google/api_core/gapic_v1/method_async.py", line 20, in <module> from google.api_core import general_helpers, grpc_helpers_async File "/opt/conda/default/lib/python3.6/site-packages/google/api_core/grpc_helpers_async.py", line 145, in <module> class _WrappedStreamUnaryCall(_WrappedUnaryResponseMixin, _WrappedStreamRequestMixin, aio.StreamUnaryCall):AttributeError: module 'grpc.experimental.aio' has no attribute 'StreamUnaryCall'