在pycharm上训练yolo数据集的时候，运行train.py报错：

D:\Applications\anaconda3\envs\pytorch\lib\site-packages\torch\functional.py:504: UserWarning: torch.meshgrid: in an upcoming release, it will be required to pass the indexing argument. (Triggered internally at C:\cb\pytorch_1000000000000\work\aten\src\ATen\native\TensorShape.cpp:3484.)

return _VF.meshgrid(tensors, **kwargs) # type: ignore[attr-defined]

解决方法：

找到pyrcharm所用的虚拟环境下的functional.py文件，根据报错的提示找到functional的504行

加上代码indexing = 'ij'

return _VF.meshgrid(tensors, **kwargs,indexing = 'ij') # type: ignore[attr-defined]

虽然这好像是torch包里的源码，按道理说不应该改，但是确实问题解决了

参考文章：YOLO UserWarning: torch.meshgrid: in an upcoming release, it will be required to pass the indexing a_shieres的博客-CSDN博客

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