try cpu using ZERO gpu

app.py

@@ -1,7 +1,7 @@
 import subprocess
 
 # a workaround for gradio SDK
-# git clone https://github.com/yuanze1024/Pointnet2_PyTorch.git && cd Pointnet2_PyTorch/pointnet2_ops_lib && pip install .
+subprocess.call(["pip", "install", "torch==2.1.0+cu118", "torchvision==0.16.0+cu118", "-i", "https://download.pytorch.org/whl/cu118"])
 subprocess.call(["git", "clone", "https://github.com/yuanze1024/Pointnet2_PyTorch.git"])
 subprocess.call(["pip", "install", "."], cwd="Pointnet2_PyTorch/pointnet2_ops_lib")