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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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