更新pipsocket.timeout: timed out TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'

更新pip出现了以下问题：

socket.timeout: timed out

TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'

怎么解决啊

网络稳定不稳定啊