Default values for Usage metrics

[basitanees]

Confirm this is a feature request for the Python library and not the underlying OpenAI API.

• This is a feature request for the Python library

Describe the feature or improvement you're requesting

Could we set the default value for Usage metrics as an integer (0)? This prevents the parser from setting it to None which prevents errors in some other open source libraries.

openai-python/src/openai/types/create_embedding_response.py

Line 12 in 384e6b2

class Usage(BaseModel):

Additional context

No response