这段代码是什么意思？

[yanshangzhao]

我输入sudo apt-get update 时出现的。
77% [7 Release 37135/58.5kB 63%] [正在连接 apt.thunderbird-software.com (21Traceback (most recent call last):
File "/usr/lib/apt/apt-report-mirror-failure", line 8, in <module>
url = apt_pkg.Config.Find("Acquire::Mirror::ReportFailures", None)
TypeError: argument 2 must be string, not None
错误 mirror://www.getdeb.net hardy/ Release.gpg
无法连接上 apt.thunderbird-software.com:80 (216.97.225.50)，连接超时
Traceback (most recent call last):
File "/usr/lib/apt/apt-report-mirror-failure", line 8, in <module>
url = apt_pkg.Config.Find("Acquire::Mirror::ReportFailures", None)
TypeError: argument 2 must be string, not None
错误 mirror://www.getdeb.net hardy/ Translation-zh_CN
不能连接上 apt.thunderbird-software.com http：
E: 子进程 report-mirror-failure 返回了一个错误号 (1)
W: Couldn't report problem to ''
E: 子进程 report-mirror-failure 返回了一个错误号 (1)
W: Couldn't report problem to ''

[yanshangzhao]

不好意思发错地方了。麻烦那版主换个地方吧

[yiding_he]

无法连接上 apt.thunderbird-software.com:80 (216.97.225.50)，连接超时

[想恋爱]

无法连接上 apt.thunderbird-software.com:80 (216.97.225.50)，连接超时