Update app.py

app.py

@@ -25,6 +25,7 @@ import datetime
 from gradio import themes
 from hidiffusion import apply_hidiffusion, remove_hidiffusion
 import gc
+from diffusers.utils.torch_utils import randn_tensor
 
 torch.backends.cuda.matmul.allow_tf32 = False
 torch.backends.cuda.matmul.allow_bf16_reduced_precision_reduction = False