add lcm-lora support

app.py

@@ -113,11 +113,11 @@ def generate_image(image_path, num_steps, guidance_scale, seed, num_images, use_
     if use_lcm:
         pipeline.scheduler = LCMScheduler.from_config(pipeline.scheduler.config)
         pipeline.enable_lora()
-        pipeline = pipeline.to(device)
+        pipeline.to(device)
     else:
         pipeline.disable_lora()
         pipeline.scheduler = DPMSolverMultistepScheduler.from_config(pipeline.scheduler.config)
-        pipeline = pipeline.to(device)
+        pipeline.to(device)
 
     if image_path is None:
         raise gr.Error(f"Cannot find any input face image! Please upload a face image.")