torch-geometric 安装（CPU）

注意torch版本号的对应：

pip install torch-scatter -f https://pytorch-geometric.com/whl/torch-1.12.0+cpu.html
pip install torch-sparse -f https://pytorch-geometric.com/whl/torch-1.12.0+cpu.html
pip install torch-cluster -f https://pytorch-geometric.com/whl/torch-1.12.0+cpu.html
pip install torch-spline-conv -f https://pytorch-geometric.com/whl/torch-1.12.0+cpu.html
pip install torch-geometric