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fix: Send last token batch when finish_reason is set #3531

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Merged
rmccorm4 merged 2 commits into from
Oct 10, 2025
Merged

fix: Send last token batch when finish_reason is set #3531

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6e71433
fix: Send last token when finish_reason is set
rmccorm4 Oct 9, 2025
609b9af
Address Guan's feedback - handle no finish_reason + no outputs scenar…
rmccorm4 Oct 9, 2025
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21 changes: 11 additions & 10 deletions components/src/dynamo/sglang/request_handlers/llm/decode_handler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -171,18 +171,19 @@ async def _process_token_stream(
num_output_tokens_so_far = 0

async for res in stream_source:
out = {}
finish_reason = res["meta_info"]["finish_reason"]
if finish_reason:
out = {"token_ids": [], "finish_reason": finish_reason["type"]}
else:
try:
next_total_toks = len(res["output_ids"])
except KeyError:
raise ValueError(
f"Missing 'output_ids' in response. Response keys: {list(res.keys())}"
)
out = {"token_ids": res["output_ids"][num_output_tokens_so_far:]}
num_output_tokens_so_far = next_total_toks
out["finish_reason"] = finish_reason["type"]

try:
next_total_toks = len(res["output_ids"])
except KeyError:
raise ValueError(
f"Missing 'output_ids' in response. Response keys: {list(res.keys())}"
)
out["token_ids"] = res["output_ids"][num_output_tokens_so_far:]
num_output_tokens_so_far = next_total_toks

yield out

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