pip install 包 报错

pip install 包 报错：

Fatal error in launcher: Unable to create process using '“c:\users\dell\appdata\local\programs\python\python36\python.exe” “C:\Users\dell\AppData\Local\Programs\Python\Python36\Scripts\pip.exe” install jpype’

解决办法：
python -m pip install -U pip 包的名称，例如：python -m pip install -U pip jpype1

提示：若出现
ERROR: Could not find a version that satisfies the requirement jpype (from versions: none)
ERROR: No matching distribution found for jpype

就在包后面加版本号，比如jpype1

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