Fix bug

app.py

@@ -141,6 +141,20 @@ def qr_stylize(url: str, style_prompt: str, negative: str, steps: int, cfg: floa
     gc.collect()
 
     with torch.autocast(device_type="cuda", dtype=DTYPE):
+    try:
+        # diffusers ≥ 0.30.x uses `image=` for ControlNet’s conditioning input
+        out = pipe(
+            prompt=str(style_prompt),
+            negative_prompt=str(negative or ""),
+            image=qr_img,  # <-- use `image`
+            controlnet_conditioning_scale=float(qr_weight),
+            num_inference_steps=int(steps),
+            guidance_scale=float(cfg),
+            width=s, height=s,
+            generator=gen,
+        )
+    except TypeError:
+        # fallback for older versions that still expect `control_image=`
         out = pipe(
             prompt=str(style_prompt),
             negative_prompt=str(negative or ""),
@@ -151,6 +165,7 @@ def qr_stylize(url: str, style_prompt: str, negative: str, steps: int, cfg: floa
             width=s, height=s,
             generator=gen,
         )
+
     img = out.images[0]
     img = enforce_qr_contrast(img, qr_img, strength=float(repair_strength), feather=float(feather))
     return img, qr_img