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[Bugfix] Fix case-sensitive task_type matching in Qwen3TTSModelForGeneration #1455

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Merged
Gaohan123 merged 1 commit into from
Feb 26, 2026
Merged

[Bugfix] Fix case-sensitive task_type matching in Qwen3TTSModelForGeneration #1455

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18 changes: 15 additions & 3 deletions vllm_omni/model_executor/models/qwen3_tts/qwen3_tts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,18 @@

logger = init_logger(__name__)

_TASK_TYPE_CANONICAL: dict[str, str] = {
"customvoice": "CustomVoice",
"voicedesign": "VoiceDesign",
"base": "Base",
}


def _normalize_task_type(raw: str) -> str:
"""Normalize task type string to its canonical PascalCase form."""
return _TASK_TYPE_CANONICAL.get(raw.lower(), raw)


AudioLike = (
str # wav path, URL, base64
| np.ndarray # waveform (requires sr)
Expand Down Expand Up @@ -81,7 +93,7 @@ def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
torch_dtype=torch.bfloat16,
**attn_kwargs,
)
self.task_type = model_path.split("-")[-1].split("/")[0]
self.task_type = _normalize_task_type(model_path.split("-")[-1].split("/")[0])
# Mark that this model produces multimodal outputs
self.have_multimodal_outputs = True

Expand Down Expand Up @@ -116,8 +128,8 @@ def forward(
if isinstance(runtime_additional_information, list) and len(runtime_additional_information) > 0:
runtime_additional_information = runtime_additional_information[0]
text = runtime_additional_information.pop("text", [""])[0]
# Extract task_type from kwargs, default to "instruct"
task_type = runtime_additional_information.pop("task_type", [self.task_type])[0]
# Extract task_type from kwargs, default to self.task_type
task_type = _normalize_task_type(runtime_additional_information.pop("task_type", [self.task_type])[0])
speaker = runtime_additional_information.pop("speaker", ["uncle_fu"])[0]
language = runtime_additional_information.pop("language", ["Auto"])[0]
instruct = runtime_additional_information.pop("instruct", [""])[0]
Expand Down