无法在 jupyter 笔记本中导入手电筒 [英] Can't import torch in jupyter notebook

问题描述

系统:macOS 10.13.6蟒蛇:3.7蟒蛇3

System: macOS 10.13.6 Python: 3.7 Anaconda3

在 jupyter notebook 中 import torch 时遇到问题.

I have trouble when import torch in jupyter notebook.

ModuleNotFoundError: No module named 'torch'

这是我安装pytorch的方法:

Here is how I install pytorch:

conda install pytorch torchvision -c pytorch

我已经检查了 PyTorch 是否安装在我的 anaconda 环境中:

I've checked PyTorch is installed in my anaconda environment:

当我在终端中命令 python3 和 import torch 时，它可以工作.但不适用于 jupyter notebook

When I command python3 in my terminal and import torch, it works. But not work in jupyter notebook

我试过了:

conda update conda
conda install mkl=2018

但还是一样的错误.

谁能帮我解决这个问题?谢谢！！

Can anyone help me with this? Thanks!!

推荐答案

除了 pytorch 之外，您还必须在激活的 conda 环境中安装 jupyter.安装步骤如下:

You have to install jupyter in addition to pytorch inside your activated conda env. Here is installation steps:

例如:pytorch_p37 和 python 3.7:

user@pc:~$ conda create -n pytorch_p37 python=3.7

2.激活它

user@pc:~$ conda activate pytorch_p37

或使用(对于较旧的 conda 版本):

Or with (for older conda versions):

user@pc:~$ source activate pytorch_p37

现在你应该在 shell 提示前看到 (pytorch_p37):

Now you should see (pytorch_p37) before your shell prompt:

(pytorch_p37) user@pc:~$ 

3.转到 PyTorch 网站 并通过 conda 选择合适的安装命令.例如，在你的 shell 中运行它

3. Go to PyTorch website and choose appropriate installation command via conda. Run it in your shell, for example

(pytorch_p37) user@pc:~$ conda install pytorch torchvision -c pytorch

4.在激活的环境中也安装 jupyter

(pytorch_p37) user@pc:~$ conda install jupyter

5.验证安装

(pytorch_p37) user@pc:~$ conda list

# packages in environment at /home/user/anaconda3/envs/pytorch_p37:
#
# Name
...
jupyter                   1.0.0  
jupyter_client            5.3.1  
jupyter_console           6.0.0 
jupyter_core              4.5.0
...
python                    3.7.4
pytorch                   1.2.0
...

6.运行 jupyter

(pytorch_p37) user@pc:~$ jupyter notebook

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