Update app.py

app.py

@@ -111,6 +111,11 @@ def load_and_prepare_model():
     #pipe.enable_vae_tiling()
     pipe.to(device=device, dtype=torch.bfloat16)
     pipe.unet.set_attn_processor(AttnProcessor2_0())
+    for name, param in pipe.unet.named_parameters():
+        if 'qkv' in name or 'norm' in name or 'proj' in name:
+            param.requires_grad_()
+        else:
+            param.requires_grad_(False)
     return pipe
     
 pipe = load_and_prepare_model()