pip安装报错Could not find a version that satisfies the requirement os (from versions: ) No matching distpip install 包名-i http://pypi.douban.com/simple/ –trusted-host pypi.douban.com版权声明：本文为nyq1304原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/nyq1304/article/details/82386615