Resolve runtime error with openai extension when metadata is missing

[seratch]

When store=True is passed to the chat.completions.create API, the metadata parameter is optional. In this case, the updated line of code fails to set an empty dictionary to self.kwargs["metadata"]. More specifically, self.args["metadata"] is None in the scenario.

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Important

Fixes runtime error in get_openai_args() in openai.py by setting metadata to {} when None and store=True.

• Behavior:
  • Fixes runtime error in get_openai_args() in openai.py when metadata is None and store=True is passed to chat.completions.create API.
  • Sets self.kwargs["metadata"] to {} if self.args["metadata"] is None.

^{This description was created by for 3ec9248. It will automatically update as commits are pushed.}

Greptile Summary

Disclaimer: Experimental PR review

Fixed a runtime error in the OpenAI extension where missing metadata caused failures when using the chat.completions.create API with store=True.

• Modified langfuse/openai.py to handle None metadata by defaulting to empty dictionary
• Ensures compatibility with OpenAI's model distillation feature which requires metadata to be a dictionary
• Prevents runtime errors when optional metadata parameter is not provided
• Maintains proper tracing functionality for OpenAI API calls

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[greptile-apps]

LGTM

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[greptile-apps]

LGTM

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