PackageNotInstalledError:包未安装在前缀中

Question

conda update conda>；成功

conda update anaconda>；>；如果在前缀中未安装软件包，则会出错。

我的系统上只安装了一个Python发行版。我该如何解决这个问题？

(base) C:\Users\asukumari>conda info

 active environment : base
active env location : C:\Users\asukumari\AppData\Local\Continuum\anaconda3
        shell level : 1
   user config file : C:\Users\asukumari\.condarc  populated config files : C:\Users\asukumari\.condarc
      conda version : 4.5.9
conda-build version : 3.4.1
     python version : 3.6.4.final.0
   base environment : C:\Users\asukumari\AppData\Local\Continuum\anaconda3  (writable)
       channel URLs : https://repo.anaconda.com/pkgs/main/win-64
                      https://repo.anaconda.com/pkgs/main/noarch
                      https://repo.anaconda.com/pkgs/free/win-64
                      https://repo.anaconda.com/pkgs/free/noarch
                      https://repo.anaconda.com/pkgs/r/win-64
                      https://repo.anaconda.com/pkgs/r/noarch
                      https://repo.anaconda.com/pkgs/pro/win-64
                      https://repo.anaconda.com/pkgs/pro/noarch
                      https://repo.anaconda.com/pkgs/msys2/win-64
                      https://repo.anaconda.com/pkgs/msys2/noarch
      package cache : C:\Users\asukumari\AppData\Local\Continuum\anaconda3\pkgs
                      C:\Users\asukumari\AppData\Local\conda\conda\pkgs
   envs directories : C:\Users\asukumari\AppData\Local\Continuum\anaconda3\envs
                      C:\Users\asukumari\AppData\Local\conda\conda\envs
                      C:\Users\asukumari\.conda\envs
           platform : win-64
         user-agent : conda/4.5.9 requests/2.18.4 CPython/3.6.4 Windows/10 Windows/10.0.16299
      administrator : False
         netrc file : None
       offline mode : False

Answer 1

刚刚遇到这个错误。解决办法是逃跑

conda install anaconda

Answer 2

要解决消息“PackageNotInstalledError:Package is not installed in prefix”Package name:anaconda:

    conda update --all
    ...
    Proceed ([y]/n)? y

问候！

Answer 3

通常，此错误“PackageNotInstalledError:Package is not installed in prefix.”是因为您的自定义环境没有conda基础结构。相反，它只在你的基地。要更新基本环境，请执行以下操作：

conda update   --name base  conda

要查看已安装的版本：

conda list    --name base  conda

列表输出示例

# packages in environment at /Users/me/miniconda2:
#
# Name                    Version                   Build  Channel
conda                     4.6.14                   py27_0  
conda-env                 2.6.0                h36134e3_0