Could not find module _convert_cpu.pyd

😵 Describe the installation problem

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\CodeEnv\Python\lib\site-packages\torch_geometric\__init__.py", line 4, in <module>
    import torch_geometric.data
  File "C:\CodeEnv\Python\lib\site-packages\torch_geometric\data\__init__.py", line 1, in <module>
    from .data import Data
  File "C:\CodeEnv\Python\lib\site-packages\torch_geometric\data\data.py", line 20, in <module>
    from torch_sparse import SparseTensor
  File "C:\CodeEnv\Python\lib\site-packages\torch_sparse\__init__.py", line 19, in <module>
    torch.ops.load_library(spec.origin)
  File "C:\CodeEnv\Python\lib\site-packages\torch\_ops.py", line 255, in load_library
    ctypes.CDLL(path)
  File "C:\CodeEnv\Python\lib\ctypes\__init__.py", line 374, in __init__
    self._handle = _dlopen(self._name, mode)
FileNotFoundError: Could not find module 'C:\CodeEnv\Python\Lib\site-packages\torch_sparse\_convert_cpu.pyd' (or one of its dependencies). Try using the full path with constructor syntax.

Similar to issues#2850, issues#5394

Environment

• PyG version: 2.1.0
• PyTorch version: 1.12.0
• OS: Win10
• Python version: 3.9.12
• CUDA/cuDNN version: None
• How you installed PyTorch and PyG (conda, pip, source): pip
• Any other relevant information (e.g., version of torch-scatter): torch-scatter==2.0.9, torch-sparse==0.6.15

[dkqkxx]

The reason is that vs_BuildTools is missing, and the problem has been solved after installation.

[dkqkxx]

我是用的jupyter notebook 结果一直用不了torch geometric

------------------ 原始邮件 ------------------ 发件人: “pyg-team/pytorch_geometric” @.>; 发送时间: 2022年12月5日(星期一) 晚上7:44 @.>; @.@.>; 主题: Re: [pyg-team/pytorch_geometric] Could not find module _convert_cpu.pyd (Issue #6024)

The reason is that vs_BuildTools is missing, and the problem has been solved after installation. 你好，我也遇到这个问题了，可以麻烦您告诉我怎么解决吗？抱歉打扰您了。

如果你Windows平台用的是，vs_BuildTools需要安装，选择编译工具，cmake以及必要的Windows头文件，然后按照对应torch版本在https://data.pyg.org/whl/下载安装😀

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如果在Linux上使用jupyter,直接下载即可，windows设备需要以上操作