pycharm 安装第三方包 error：exception

pycharm通过 File --> Settings --> Project Interpreter --> Available Packages 安装第三方包失败时报错信息为 Error：Exception

找到pycharm安装目录下helpers下的 packaging_tool.py
修改 do_install 和 do_uninstall 这两个方法：

def do_install(pkgs):
    # try:
    #     import pip
    # except ImportError:
    #     error_no_pip()
    # return pip.main(['install'] + pkgs)
    try:
        try:
            from pip._internal import main
        except Exception:
            from pip import main
    except ImportError:
        error_no_pip()
    return main(['install'] + pkgs)


def do_uninstall(pkgs):
    # try:
    #     import pip
    # except ImportError:
    #     error_no_pip()
    # return pip.main(['uninstall', '-y'] + pkgs)
    try:
        try:
            from pip._internal import main
        except Exception:
            from pip import main
    except ImportError:
        error_no_pip()
    return main(['uninstall', '-y'] + pkgs)

修改完成后重启pycharm（有时候不重启也能生效）