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Avoid unwanted exception chaining when running async tool in sync context #9092

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Merged
merged 1 commit into from
Nov 26, 2025
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Avoid unwanted exception chaining when running async tool in sync context #9092

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5 changes: 4 additions & 1 deletion dspy/adapters/types/tool.py
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Original file line number Diff line number Diff line change
Expand Up @@ -166,8 +166,11 @@ def _run_async_in_sync(self, coroutine):
try:
loop = asyncio.get_running_loop()
except RuntimeError:
return asyncio.run(coroutine)
# Run the coroutine outside of "except" block to avoid propagation
loop = None

if loop is None:
return asyncio.run(coroutine)
return loop.run_until_complete(coroutine)

@with_callbacks
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