!pip install cudf==0.19 !pip install rapids==0.19
!pip uninstall -y cffi !pip uninstall -y pycparser !pip install cffi==1.14.0
!pip uninstall -y dask-cuda !pip uninstall -y dask-cudf !pip uninstall -y cudatashader !pip uninstall -y rapids !pip uninstall -y cugraph !pip uninstall -y cuspatial !pip uninstall -y xgboost
!pip install rapids==0.19
注意:这里使用的是rapids 0.19版本,如果需要其他版本,请相应更改。