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community[patch]: callback before yield for textgen (#26929)

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**Description:** Moves callback to before yield for `_stream` and
`_astream` function for the textgen model in the community llm package
**Issue:** #16913
This commit is contained in:
Subhrajyoty Roy 2024-09-27 18:11:13 +05:30 committed by GitHub
parent 5f2cc4ecb2
commit adcfecdb67
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1 changed files with 4 additions and 6 deletions
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10
libs/community/langchain_community/llms/textgen.py
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@ -335,14 +335,13 @@ class TextGen(LLM):
text=result["text"], # type: ignore[call-overload, index]
generation_info=None,
)
if run_manager:
run_manager.on_llm_new_token(token=chunk.text)
yield chunk
elif result["event"] == "stream_end": # type: ignore[call-overload, index]
websocket_client.close()
return
if run_manager:
run_manager.on_llm_new_token(token=chunk.text)
async def _astream(
self,
prompt: str,
@ -408,10 +407,9 @@ class TextGen(LLM):
text=result["text"], # type: ignore[call-overload, index]
generation_info=None,
)
if run_manager:
await run_manager.on_llm_new_token(token=chunk.text)
yield chunk
elif result["event"] == "stream_end": # type: ignore[call-overload, index]
websocket_client.close()
return
if run_manager:
await run_manager.on_llm_new_token(token=chunk.text)