使用torchvision时报错：ModuleNotFoundError: No module named ‘six‘

大家好，又见面了，我是你们的朋友全栈君。

刚开始在Anaconda Powershell Prompt中输入：

conda install six

报错如下：

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):
      File "F:\Anaconda3\lib\site-packages\conda\exceptions.py", line 1079, in __call__
        return func(*args, **kwargs)
      File "F:\Anaconda3\lib\site-packages\conda\cli\main.py", line 84, in _main
        exit_code = do_call(args, p)
      File "F:\Anaconda3\lib\site-packages\conda\cli\conda_argparse.py", line 83, in do_call
        return getattr(module, func_name)(args, parser)
      File "F:\Anaconda3\lib\site-packages\conda\cli\main_install.py", line 20, in execute
        install(args, parser, 'install')
      File "F:\Anaconda3\lib\site-packages\conda\cli\install.py", line 116, in install
        if context.use_only_tar_bz2:
      File "F:\Anaconda3\lib\site-packages\conda\base\context.py", line 713, in use_only_tar_bz2
        import conda_package_handling.api
      File "F:\Anaconda3\lib\site-packages\conda_package_handling\api.py", line 6, in <module>
        from six import string_types as _string_types
    ModuleNotFoundError: No module named 'six'

`$ F:\Anaconda3\Scripts\conda-script.py install six`

  environment variables:
                 CIO_TEST=<not set>
                CLASSPATH=.;E:\Program Files\Java\jdk1.8.0_131\lib\dt.jar;E:\Program
                          Files\Java\jdk1.8.0_131\lib\tools.jar;D:\LINGO64_17\Lingo17.jar
        CONDA_DEFAULT_ENV=base
                CONDA_EXE=F:\Anaconda3\Scripts\conda.exe
             CONDA_PREFIX=F:\Anaconda3
    CONDA_PROMPT_MODIFIER=(base)
         CONDA_PYTHON_EXE=F:\Anaconda3\python.exe
               CONDA_ROOT=F:\Anaconda3
              CONDA_SHLVL=1
           CURL_CA_BUNDLE=<not set>
                 HOMEPATH=\Users\KI
                     PATH=F:\Anaconda3;F:\Anaconda3\Library\mingw-w64\bin;F:\Anaconda3\Library\u
                          sr\bin;F:\Anaconda3\Library\bin;F:\Anaconda3\Scripts;F:\Anaconda3\bin;
                          F:\Anaconda3;F:\Anaconda3\Library\mingw-w64\bin;F:\Anaconda3\Library\u
                          sr\bin;F:\Anaconda3\Library\bin;F:\Anaconda3\Scripts;F:\Anaconda3\bin;
                          F:\Anaconda3\condabin;C:\Program Files (x86)\Common Files\Oracle\Java\
                          javapath;C:\ProgramData\Oracle\Java\javapath;C:\Program Files\AdoptOpe
                          nJDK\jdk-13.0.1.9-hotspot\bin;E:\Python3.7.2;D:\c++\Microsoft Visual
                          Studio\Common\MSDev98\Bin;C:\Program Files\dotnet;E:\Program Files\Jav
                          a\jdk1.8.0_131\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\
                          Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0;C:\WINDOWS\System32\Op
                          enSSH;E:\MATLAB\R2018a\runtime\win64;E:\MATLAB\R2018a\bin;E:\JDK蓝桥\jdk
                          1.6.0_45\bin;E;\JDK蓝桥\jdk1.6.0_45\jre\bin;%;AVA_HOME%\bin;E:\Program
                          Files\Java\jdk1.8.0_131\bin;E:\Program
                          Files\Java\jdk1.8.0_131\jre\bin;E:\SPSS\JRE\bin;F:\LINGO12;E:\Program
                          Files\Java\jdk1.8.0_131\bin;C:\Program Files (x86)\Microsoft SQL
                          Server\130\Tools\Binn;C:\Program Files\Microsoft SQL
                          Server\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL
                          Server\130\DTS\Binn;C:\Program Files\Microsoft SQL
                          Server\130\DTS\Binn;C:\Program Files\Microsoft SQL Server\Client
                          SDK\ODBC\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\15
                          0\DTS\Binn;F:\masm32\bin;E:\Python3.7.2\Scripts;F:\SDK\platform-tools;
                          F:\SDK\tools;F:\nodejs;C:\ProgramData\chocolatey\bin;D:\LINGO64_17;E:\
                          Scripts;E:\;C:\Users\KI\AppData\Local\Microsoft\WindowsApps;C:\Users\K
                          I\AppData\Local\atom\bin;E:\Python3.7.2;E:\Program Files\PyCharm 2019.
                          2\bin;.;C:\Users\KI\AppData\Local\Microsoft\WindowsApps;F:\;E:\Program
                          Files\Java\jdk1.8.0_131\bin;E:\Program
                          Files\Java\jdk1.8.0_131\jre\bin;E:\Microsoft VS Code\bin;F:\Anaconda3\
                          Scripts;E:\Python3.7.2\Scripts;C:\Users\KI\AppData\Roaming\npm;D:\Inte
                          lliJ IDEA Community Edition 2020.1.3\bin;.
             PSMODULEPATH=D:\Documents\WindowsPowerShell\Modules;C:\Program Files\WindowsPowerSh
                          ell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules;C:\Prog
                          ram Files (x86)\Microsoft SQL Server\130\Tools\PowerShell\Modules\
       REQUESTS_CA_BUNDLE=<not set>
            SSL_CERT_FILE=<not set>

     active environment : base
    active env location : F:\Anaconda3
            shell level : 1
       user config file : C:\Users\KI\.condarc
 populated config files : C:\Users\KI\.condarc
          conda version : 4.8.4
    conda-build version : 3.18.11
         python version : 3.7.7.final.0
       virtual packages : __cuda=10.2
       base environment : F:\Anaconda3  (writable)
           channel URLs : https://repo.continuum.io/pkgs/main/win-64
                          https://repo.continuum.io/pkgs/main/noarch
                          https://repo.continuum.io/pkgs/free/win-64
                          https://repo.continuum.io/pkgs/free/noarch
                          https://repo.anaconda.com/pkgs/main/win-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/r/win-64
                          https://repo.anaconda.com/pkgs/r/noarch
                          https://repo.anaconda.com/pkgs/msys2/win-64
                          https://repo.anaconda.com/pkgs/msys2/noarch
          package cache : F:\Anaconda3\pkgs
                          C:\Users\KI\.conda\pkgs
                          C:\Users\KI\AppData\Local\conda\conda\pkgs
       envs directories : F:\Anaconda3\envs
                          C:\Users\KI\.conda\envs
                          C:\Users\KI\AppData\Local\conda\conda\envs
               platform : win-64
             user-agent : conda/4.8.4 requests/2.23.0 CPython/3.7.7 Windows/10 Windows/10.0.18362
          administrator : False
             netrc file : None
           offline mode : False


An unexpected error has occurred. Conda has prepared the above report.

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解决办法：

pip install six