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Fix: "UserWarning: ... sessions are still open..." when streaming with AsyncInferenceClient #3252

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merged 1 commit into from
Jul 24, 2025
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Fix: "UserWarning: ... sessions are still open..." when streaming with AsyncInferenceClient #3252

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9 changes: 6 additions & 3 deletions src/huggingface_hub/inference/_common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -374,9 +374,12 @@ def _format_chat_completion_stream_output(


async def _async_yield_from(client: "ClientSession", response: "ClientResponse") -> AsyncIterable[bytes]:
async for byte_payload in response.content:
yield byte_payload.strip()
await client.close()
try:
async for byte_payload in response.content:
yield byte_payload.strip()
finally:
# Always close the underlying HTTP session to avoid resource leaks
await client.close()


# "TGI servers" are servers running with the `text-generation-inference` backend.
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