KeyError: 'proto3_optional'

[qi li]

Traceback (most recent call last):

  File "/usr/local/python3/lib/python3.8/site-packages/google/protobuf/internal/python_message.py", line 545, in _GetFieldByName

    return message_descriptor.fields_by_name[field_name]

KeyError: 'proto3_optional'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "google_cost.py", line 47, in <module>

    cost_sg1=main(googleads_client, "2810333029",data_date)

  File "google_cost.py", line 11, in main

    ga_service = client.get_service("GoogleAdsService")

  File "/usr/local/python3/lib/python3.8/site-packages/google/ads/googleads/client.py", line 358, in get_service

    service_client_class = getattr(

  File "/usr/local/python3/lib/python3.8/site-packages/google/ads/googleads/v8/__init__.py", line 1696, in __getattr__

    module = importlib.import_module(f"{_lazy_type_to_package_map[name]}")

  File "/usr/local/python3/lib/python3.8/importlib/__init__.py", line 127, in import_module

    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked

  File "<frozen importlib._bootstrap_external>", line 783, in exec_module

  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

  File "/usr/local/python3/lib/python3.8/site-packages/google/ads/googleads/v8/services/services/google_ads_service/__init__.py", line 16, in <module>

    from .client import GoogleAdsServiceClient

  File "/usr/local/python3/lib/python3.8/site-packages/google/ads/googleads/v8/services/services/google_ads_service/client.py", line 32, in <module>

    from google.ads.googleads.v8.services.services.google_ads_service import pagers

  File "/usr/local/python3/lib/python3.8/site-packages/google/ads/googleads/v8/services/services/google_ads_service/pagers.py", line 18, in <module>

    from google.ads.googleads.v8.services.types import google_ads_service

  File "/usr/local/python3/lib/python3.8/site-packages/google/ads/googleads/v8/services/types/google_ads_service.py", line 18, in <module>

    from google.ads.googleads.v8.common.types import metrics as gagc_metrics

  File "/usr/local/python3/lib/python3.8/site-packages/google/ads/googleads/v8/common/types/metrics.py", line 29, in <module>

    class Metrics(proto.Message):

  File "/usr/local/python3/lib/python3.8/site-packages/proto/message.py", line 176, in __new__

    field.descriptor.oneof_index = oneofs[field.oneof] = len(oneofs)

  File "/usr/local/python3/lib/python3.8/site-packages/proto/fields.py", line 104, in descriptor

    self._descriptor = descriptor_pb2.FieldDescriptorProto(

  File "/usr/local/python3/lib/python3.8/site-packages/google/protobuf/internal/python_message.py", line 484, in init

    field = _GetFieldByName(message_descriptor, field_name)

  File "/usr/local/python3/lib/python3.8/site-packages/google/protobuf/internal/python_message.py", line 547, in _GetFieldByName

    raise ValueError('Protocol message %s has no "%s" field.' %

ValueError: Protocol message FieldDescriptorProto has no "proto3_optional" field.

description:when i run the program in my mac,it is ok.but when i run it in linux ,it has an error.I am going to obtain the cost of account.so what is the reason?

[Google Ads API Forum Advisor]

Hi Qi,

To get help for an issue with the Python Client Library you can post on the Ads API Python Client Library issue tracker.

Regards,

Aryeh Baker Google Ads API Team

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