From c3d35ed5fe12a65bf60fc2d48c0848fe8d0866b0 Mon Sep 17 00:00:00 2001 From: tzhouam Date: Tue, 10 Feb 2026 06:20:26 +0000 Subject: [PATCH] pass local t2i test Signed-off-by: tzhouam --- vllm_omni/diffusion/diffusion_engine.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/vllm_omni/diffusion/diffusion_engine.py b/vllm_omni/diffusion/diffusion_engine.py index 2ab94d5b7..8e4a9f7a2 100644 --- a/vllm_omni/diffusion/diffusion_engine.py +++ b/vllm_omni/diffusion/diffusion_engine.py @@ -331,6 +331,10 @@ class DiffusionEngine: height=height, width=width, num_inference_steps=num_inference_steps, + # Keep warmup path minimal and robust across text encoders. + # Some models may fail when warmup implicitly triggers + # classifier-free guidance with an empty negative prompt. + guidance_scale=0.0, num_outputs_per_prompt=1, ), )