Update app.py

app.py

@@ -37,6 +37,7 @@ video_transforms = transforms.Compose(
 model_id = "hunyuanvideo-community/HunyuanVideo"
 lora_path = hf_hub_download("dashtoon/hunyuan-video-keyframe-control-lora", "i2v.sft")  # Replace with the actual LORA path
 transformer = HunyuanVideoTransformer3DModel.from_pretrained(model_id, subfolder="transformer", torch_dtype=torch.bfloat16)
+global pipe
 pipe = HunyuanVideoPipeline.from_pretrained(model_id, transformer=transformer, torch_dtype=torch.bfloat16)
 
 # Enable memory savings