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Fix stream error using LiteLLM #589

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Merged
merged 3 commits into from
Apr 24, 2025
Merged

Fix stream error using LiteLLM #589

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a158e97
Added check for delta.refusal e usage in stream handler + unit test
DanieleMorotti Apr 24, 2025
837a2ef
Update chatcmpl_stream_handler.py
rm-openai Apr 24, 2025
b20e75b
Rename tests/test_litellm_chatcompletions_stream.py to tests/models/t…
rm-openai Apr 24, 2025
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Update chatcmpl_stream_handler.py
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@rm-openai
rm-openai authored Apr 24, 2025
commit 837a2efad83343f4395a886601b6d5a8e804c35c
2 changes: 2 additions & 0 deletions src/agents/models/chatcmpl_stream_handler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,7 @@ async def handle_stream(
type="response.created",
)

# This is always set by the OpenAI API, but not by others e.g. LiteLLM
usage = chunk.usage if hasattr(chunk, "usage") else None

if not chunk.choices or not chunk.choices[0].delta:
Expand Down Expand Up @@ -112,6 +113,7 @@ async def handle_stream(
state.text_content_index_and_output[1].text += delta.content

# Handle refusals (model declines to answer)
# This is always set by the OpenAI API, but not by others e.g. LiteLLM
if hasattr(delta, "refusal") and delta.refusal:
if not state.refusal_content_index_and_output:
# Initialize a content tracker for streaming refusal text
Expand Down
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