Update app.py

app.py

@@ -168,6 +168,8 @@ def infer(
                 pipeline_mgr.get_hed_detector()
             )
             params['controlnet_conditioning_scale'] = float(cn_strength)
+        else:
+            params['image'] = torch.zeros((1, 3, 512, 512)).to(device)  # заглушка, чтобы pipeline не падал
             
         if ip_enable:
             pipe.load_ip_adapter(IP_ADAPTER, subfolder="models", weight_name=IP_ADAPTER_WEIGHT_NAME)