安装pytorch运行import torch出错ModuleNotFoundError: No module named ‘torch’

安装pytorch运行import torch出错ModuleNotFoundError: No module named ‘torch’

这种情况的出现属于版本不匹配问题，目测应该是你的系统中有多个版本的python导致指向错误或者conda没有升级，在官网可以查到你想要的版本，在这里就不列举了。

直接运行以下代码即可解决问题

conda update conda 
conda install mkl=2018

安装好之后检测一下

python
import torch
torch.__version__

C:\Users\Administrator>python
Python 3.8.5 (default, Sep  3 2020, 21:29:08) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32

Warning:
This Python interpreter is in a conda environment, but the environment has
not been activated.  Libraries may fail to load.  To activate this environment
please see https://conda.io/activation

Type "help", "copyright", "credits" or "license" for more information.
>>> import torch
>>> torch.__version__
'1.7.1'
>>>                                                                                                                                                                                                                                                           

显示安装成功