以下是创建服务账户和启用API的代码示例和步骤：

https://colab.research.google.com/github/google/generative-ai-docs/blob/main/site/en/docs/semantic_retriever.ipynb

错误：

AttributeError                            Traceback (most recent call last)<ipython-input-20-ee7d7add68db> in <cell line: 8>()      6       7 # Make the request----> 8 create_corpus_response = retriever_service_client.create_corpus(create_corpus_request)      9      10 # Set the `corpus_resource_name` for subsequent sections.2 frames/usr/local/lib/python3.10/dist-packages/google/ai/generativelanguage_v1beta/services/retriever_service/client.py in _compare_universes(client_universe, credentials)    514         """    515         if credentials:--> 516             credentials_universe = credentials.universe_domain    517             if client_universe != credentials_universe:    518                 default_universe = RetrieverServiceClient._DEFAULT_UNIVERSEAttributeError: 'Credentials' object has no attribute 'universe_domain'

回答：

您可以尝试升级Google Auth，看起来某些版本存在一些问题：

pip install --upgrade google-auth

参考问题：https://github.com/googleapis/google-cloud-python/issues/12254