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今天碰到一个怪问题,明明各种包都已经安装好了,进入python也可以正常使用pytorch,但一进入ipython, jupyter notebook就无法使用pytorch,
>>>import torch as t
报错:
ModuleNotFoundError: No module named 'torch'
事发突然,不知何故,硬着头皮重新安装
$ conda install ipython
发现conda添加了几外包,然后再进入IPython就一切正常了,但jupyter notebook还是不能正常使用, conda install jupyter notebook也没什么效果。
$jupyter notebook --generate-config
Writing default config to: /home/user/.jupyter/jupyter_notebook_config.py
$sudo gedit /home/user/.jupyter/jupyter_notebook_config.py
打开文件查找 c.NotebookApp.notebook_dir,去掉注释,并在后面添加自己想要设置的默认路径,比如我的:
c.NotebookApp.notebook_dir = '/home/user/dev/jupyter/'
(pytorch) user@user-MS-7816:~$ which python
/home/user/anaconda3/envs/pytorch/bin/python
(pytorch) user@user-MS-7816:~$ sudo /home/user/anaconda3/envs/pytorch/bin/python -m ipykernel install --name pytorch
Installed kernelspec pytorch in /usr/local/share/jupyter/kernels/pytorch
网上流行一个解决办法,于本人的情况,全然无效
$conda update conda
$conda install mkl=2018
启动navigator:
$anaconda-navigator
选择进入环境pytorch,然后发现,jupyter notebook 在该环境下竟然是没有安装的。可是我明明是在pytorch环境下使用命令安装的jupyter notebook呀,不知道问题在哪里,那就在navigator下再装一次吧!
参考:https://github.com/pytorch/pytorch/issues/4827
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