我正在尝试使用get_pip.py文件在我的MacYosemite10.10.5上安装pip，但我遇到了以下问题User-MacBook-Pro:Downloadsmyself$sudopythonget-pip.pyThedirectory'/Users/myself/Library/Caches/pip/http'oritsparentdirectoryisnotownedbythecurrentuserandthecachehasbeendisabled.Pleasecheckthepermissionsandownerofthatdirectory.Ifexecutingpip