TypeError: 'in string' requires string as left operand, not bytesusername roottn.wr
TypeError: 'in <string>' requires string as left operand, not bytes
username = 'root'
tn.write(username + str('\n'))
TypeError: 'in <string>' requires string as left operand, not bytes
这个错误什么原因啊，怎么解决
eclipse+pydev，环境
[解决办法]
贴出完整的错误信息...
[解决办法]
看他的解决方案是tn.write需要字节型才对，代码里的username是字符串型