python pyqt5安装失败问题
以前装命令都是pip一条命令搞定，会自动安装依赖的库，但在安装pyqt5时却遇到了问题在下载完pyqt5时，会提示找不到合适的SIP版本 Could not find a version that satisfies the requirement sip>=4.19 (from pyqt5) (from versions: ) No matching distribution foun
