Update app.py

app.py

@@ -246,7 +246,6 @@ MAX_SEED = np.iinfo(np.int32).max
 MAX_IMAGE_SIZE = 2048
 
 if torch.cuda.is_available():
-    vae = AutoencoderKL.from_pretrained("madebyollin/sdxl-vae-fp16-fix", torch_dtype=torch.float16)
     token = os.environ.get("HF_TOKEN")  # 从环境变量读取令牌
     model_path = hf_hub_download(
         repo_id="Menyu/Pixel",  # 模型仓库名称（非完整URL）
@@ -255,7 +254,6 @@ if torch.cuda.is_available():
     )
     pipe = StableDiffusionXLPipeline.from_single_file(
         model_path,
-        vae=vae,
         use_safetensors=True,
         torch_dtype=torch.float16,
     )