fix(openai): filter omit sentinel from metadata#426

Abhijeet Prasad (AbhiPrasad) merged 1 commit into

mainbraintrustdata/braintrust-sdk-python:mainfrom

abhi-fix-414-openai-omit-metadatabraintrustdata/braintrust-sdk-python:abhi-fix-414-openai-omit-metadataCopy head branch name to clipboard