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  • Fatal error in launcher: Unable to create process using '"'

    一、问题

    在windows10上通过pip安装requests报错

    C:UsersAdministrator>pip install requests
    Fatal error in launcher: Unable to create process using '"'
    

    二、解决办法

    前面加python -m

    C:UsersAdministrator>python -m pip install requests
    Requirement already satisfied: requests in c:windowslibsite-packages
    Requirement already satisfied: chardet<3.1.0,>=3.0.2 in c:windowslibsite-packages (from requests)
    Requirement already satisfied: certifi>=2017.4.17 in c:windowslibsite-packages (from requests)
    Requirement already satisfied: urllib3<1.24,>=1.21.1 in c:windowslibsite-packages (from requests)
    Requirement already satisfied: idna<2.8,>=2.5 in c:windowslibsite-packages (from requests)
    You are using pip version 18.0, however version 19.0.3 is available.
    You should consider upgrading via the 'python -m pip install --upgrade pip' command.
    

    这里提示pip需要更新,我们执行python -m pip install --upgrade pip命令更新:

    C:UsersAdministrator>python -m pip install --upgrade pip
    Collecting pip
      Downloading https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl (1.4MB)
        100% |████████████████████████████████| 1.4MB 160kB/s
    Installing collected packages: pip
      Found existing installation: pip 18.0
        Uninstalling pip-18.0:
          Successfully uninstalled pip-18.0
    Successfully installed pip-19.0.3
    

    更新成功后,再执行pip install requests,发现虽然提示已安装,但是已经不会报错了。

    C:UsersAdministrator>pip install requests
    Requirement already satisfied: requests in c:windowslibsite-packages (2.19.1)
    Requirement already satisfied: urllib3<1.24,>=1.21.1 in c:windowslibsite-packages (from requests) (1.23)
    Requirement already satisfied: certifi>=2017.4.17 in c:windowslibsite-packages (from requests) (2018.8.24)
    Requirement already satisfied: idna<2.8,>=2.5 in c:windowslibsite-packages (from requests) (2.7)
    Requirement already satisfied: chardet<3.1.0,>=3.0.2 in c:windowslibsite-packages (from requests) (3.0.4)
    
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  • 原文地址:https://www.cnblogs.com/diffx/p/10599150.html
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