python xgboost 出现 FutureWarning: pandas.Int64Index is deprecated

问题：

python使用xgboost 出现

FutureWarning: pandas.Int64Index is deprecated and will be removed from pandas in a future version. Use pandas.Index with the appropriate dtype instead.

from pandas import MultiIndex, Int64Index

解决：

版本问题，在1.6.0版本的xgboost中已被修复，更新xgboost即可：

pip install --upgrade xgboost

参考：

https://github.com/dmlc/xgboost/issues/8123
Warning: Pandas deprecation, please fix this · Issue #7894 · dmlc/xgboost · GitHub