Update app.py

app.py

@@ -114,25 +114,25 @@ def generate_qwen(
     use_lora = False
     if lora_input and lora_input.strip() != "":
         load_lora_opt(pipe_qwen, lora_input)
+        pipe_qwen.set_adapters(["default"], adapter_weights=[lora_scale])
         use_lora = True
     
-    kwargs = {}
-    if use_lora:
-        kwargs["cross_attention_kwargs"] = {"scale": lora_scale}
-    
     images = pipe_qwen(
         prompt=prompt,
-        negative_prompt=negative_prompt if negative_prompt else None,
+        negative_prompt=negative_prompt if negative_prompt else "",
         height=height,
         width=width,
-        guidance_scale=guidance_scale,
+        true_cfg_scale=guidance_scale,
+        guidance_scale=1.0,
         num_inference_steps=num_inference_steps,
         num_images_per_prompt=num_images,
         generator=generator,
         output_type="pil",
-        **kwargs,
     ).images
     
+    if use_lora:
+        pipe_qwen.unload_lora_weights()
+    
     end_time = time.time()
     duration = end_time - start_time