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一 问题
No module named 'torch'
二 解决方法
(base) PS C:\Users\pc> conda install pytorch torchvision cudatoolkit=10.0 -c pyt orch
Collecting package metadata (current_repodata.json): done Solving environment: - The environment is inconsistent, please check the package plan carefully The following packages are causing the inconsistency:- defaults/win-64::anaconda==custom=py37_1
- defaults/win-64::numba==0.46.0=py37hf9181ef_0 - defaults/win-64::_anaconda_depends==2019.03=py37_0 done## Package Plan ##
environment location: C:\ProgramData\Anaconda3
added / updated specs:
- cudatoolkit=10.0 - pytorch - torchvision The following packages will be downloaded:package | build
---------------------------|----------------- conda-4.8.3 | py37_0 2.8 MB cudatoolkit-10.0.130 | 0 250.0 MB ninja-1.9.0 | py37h74a9793_0 238 KB openssl-1.1.1g | he774522_0 4.8 MB pytorch-1.2.0 |py3.7_cuda100_cudnn7_1 479.3 MB pytorch torchvision-0.4.0 | py37_cu100 2.3 MB pytorch ------------------------------------------------------------ Total: 739.4 MBThe following NEW packages will be INSTALLED:
cudatoolkit pkgs/main/win-64::cudatoolkit-10.0.130-0
ninja pkgs/main/win-64::ninja-1.9.0-py37h74a9793_0 pytorch pytorch/win-64::pytorch-1.2.0-py3.7_cuda100_cudnn7_1 tbb pkgs/main/win-64::tbb-2020.0-h74a9793_0 torchvision pytorch/win-64::torchvision-0.4.0-py37_cu100The following packages will be UPDATED:
ca-certificates 2019.10.16-0 --> 2020.1.1-0
certifi 2019.9.11-py37_0 --> 2020.4.5.1-py37_ 0 conda 4.7.12-py37_0 --> 4.8.3-py37_0 openssl 1.1.1d-he774522_3 --> 1.1.1g-he774522_ 0 Proceed ([y]/n)?
Downloading and Extracting Packages
ninja-1.9.0 | 238 KB | #################################### | 100% cudatoolkit-10.0.130 | 250.0 MB | #################################### | 100% pytorch-1.2.0 | 479.3 MB | | 0% torchvision-0.4.0 | 2.3 MB | 4 | 1% openssl-1.1.1g | 4.8 MB | #################################### | 100% conda-4.8.3 | 2.8 MB | #################################### | 100%CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/p
ytorch/win-64/pytorch-1.2.0-py3.7_cuda100_cudnn7_1.tar.bz2> Elapsed: -An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way. CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/p ytorch/win-64/torchvision-0.4.0-py37_cu100.tar.bz2> Elapsed: -An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.L
三 安装解决办法分别安装，删除了anacondarc. 下的defaults 设置了channels 后 ，分步安装如下
n(base) C:\Users\pc>conda install pytorch-cpu
Collecting package metadata (current_repodata.json): done Solving environment: \ The environment is inconsistent, please check the package plan carefully The following packages are causing the inconsistency:- defaults/win-64::anaconda==custom=py37_1
- defaults/win-64::numba==0.46.0=py37hf9181ef_0 - defaults/win-64::_anaconda_depends==2019.03=py37_0 done## Package Plan ##
environment location: C:\ProgramData\Anaconda3
added / updated specs:
- pytorch-cpu The following packages will be downloaded:package | build
---------------------------|----------------- pytorch-cpu-1.1.0 | py3.7_cpu_1 79.2 MB https://mirror s.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch ------------------------------------------------------------ Total: 79.2 MBThe following NEW packages will be INSTALLED:
ninja anaconda/pkgs/main/win-64::ninja-1.9.0-py37h74a9793_0
pytorch-cpu anaconda/cloud/pytorch/win-64::pytorch-cpu-1.1.0-py3.7_cpu_ 1 tbb anaconda/pkgs/main/win-64::tbb-2020.0-h74a9793_0 Proceed ([y]/n)? y Downloading and Extracting Packages pytorch-cpu-1.1.0 | 79.2 MB | #################################### | 100% Preparing transaction: done Verifying transaction: done Executing transaction: done(base) C:\Users\pc>conda install torchvision-cpu
Collecting package metadata (current_repodata.json): done Solving environment: done## Package Plan ##
environment location: C:\ProgramData\Anaconda3
added / updated specs:
- torchvision-cpu The following packages will be downloaded:package | build
---------------------------|----------------- torchvision-cpu-0.3.0 | py37_cuNone_1 1.7 MB https://mirror s.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch ------------------------------------------------------------ Total: 1.7 MBThe following NEW packages will be INSTALLED:
torchvision-cpu anaconda/cloud/pytorch/win-64::torchvision-cpu-0.3.0-py37_c
uNone_1 Proceed ([y]/n)? y Downloading and Extracting Packages torchvision-cpu-0.3. | 1.7 MB | #################################### | 100% Preparing transaction: done Verifying transaction: done Executing transaction: done四 参考如下URL安装好的
五 验证
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