Fix code error

app.py

@@ -9,6 +9,7 @@ from diffusers import EulerDiscreteScheduler
 from diffusers import StableDiffusionXLPipeline
 from diffusers import StableDiffusion3Pipeline
 from diffusers import StableDiffusionPipeline
+from diffusers import DiffusionPipeline
 
 #from transformers import pipeline
 import gradio as gr
@@ -16,11 +17,12 @@ import gradio as gr
 # Set Hugging Face API (needed for gated models)
 hf_api_key = os.environ.get('HF_API_KEY')
 
+# Load the Stable Diffusion pipeline
+model_id = "sd-legacy/stable-diffusion-v1-5"
+
 # Use the Euler scheduler here instead
 scheduler = EulerDiscreteScheduler.from_pretrained(model_id, subfolder="scheduler")
 
-# Load the Stable Diffusion pipeline
-model_id = "sd-legacy/stable-diffusion-v1-5"
 pipe = StableDiffusionPipeline.from_pretrained(
     model_id, 
     torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32,  # Use float16 on GPU, float32 on CPU