fix: async functions in tool specs #19000
Merged
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Fixes #18998
#18783 introduced a bug, where by relying on
FunctionTool.from_defaults()
and always passing in both a sync and async function, we end up getting some wonky tool metadata.FunctionTool
already handles patching sync -> async or async -> sync, so theBaseToolSpec
class no longer needs to handle this.With this fix, the proper tool metadata is present for async and sync functions.
Added additional tests to verify this.