Fix AttributeError when tool fields are None in OpenAI Agents SDK instrumentation (#1285)#2347

YouFoxGirl wants to merge 1 commit intomodelcontextprotocol:mainmodelcontextprotocol/python-sdk:mainfrom

YouFoxGirl:fix/1285-none-attribute-crashYouFoxGirl/python-sdk:fix/1285-none-attribute-crashCopy head branch name to clipboard