fix

app.py

@@ -17,6 +17,8 @@ SKIN_LORA = "tlennon-ie/qwen-edit-skin"
 # Fixed prompt for head swap
 FIXED_PROMPT = """head_swap: start with Picture 1 as the base image, keeping its lighting, environment, and background. remove the head from Picture 1 completely and replace it with the head from Picture 2. ensure the head and body have correct anatomical proportions, and blend the skin tones, shadows, and lighting naturally so the final result appears as one coherent, realistic person."""
 
+DEFAULT_NEGATIVE_PROMPT = "bad quality, worst quality, low resolution, blur, distortion, unnatural blending, cartoon, illustration, painting"
+
 # Cache for loaded pipe
 pipe_cache = None
 
@@ -144,9 +146,11 @@ def face_swap(
         result = pipe(
             image=input_images_list,  # Passamos a lista aqui
             prompt=final_prompt,
+            negative_prompt=DEFAULT_NEGATIVE_PROMPT, 
+            true_cfg_scale=guidance_scale, 
             # input_image removido pois não existe neste pipeline
             num_inference_steps=num_inference_steps,
-            guidance_scale=guidance_scale,
+            #guidance_scale=guidance_scale,
             generator=generator
         ).images[0]