ubuntu18.04(python3.6)安装pip3报错:ImportError: cannot import name 'sysconfig'
错误描述启动pip3时报错:Traceback(mostrecentcalllast):File"/usr/bin/pip3",line9,infrompipimportmainFile"/usr/lib/python3/dist-packages/pip/__init__.py",line14,infrompip.utilsimportget_installed_distributions,ge