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app.py

@@ -3,6 +3,11 @@ os.environ.setdefault("PYTORCH_CUDA_ALLOC_CONF", "expandable_segments:True")
 
 import spaces  # MUST come before any torch/CUDA-touching import
 import torch
+import torchvision
+# Compatibility shim: torchvision >= 0.21 removed functional_tensor, which pytorchvideo still imports
+if not hasattr(torchvision.transforms, 'functional_tensor'):
+    import torchvision.transforms.functional as _F
+    torchvision.transforms.functional_tensor = _F
 import gradio as gr
 import numpy as np
 import tempfile