我在这里尝试过其他各种解决方案,比如使用pipinstall Django安装库,尝试将Django的版本降级并升级到不同的值ex。_vendor.urllib3.connection.HTTPSConnection object at 0x000001B4E55BC430>: Failed to establish a new connection_vendor.urllib3.connection.HTTPSConnection object at 0x000001B4E55DE070>
$ C:\Python27> pipinstall --upgrade pip
You are using pip version 6.0.8, however version 7.1.0 is availableYou should consider upgrading via the 'pipinstall --upgrade pip' command.AttributeError: 'NoneType' obje