参考连接: https://bugs.launchpad.net/ubuntu/+source/command-not-found/+bug/1876034
遇见的问题具体内容如下:
Traceback (most recent call last):
File "/usr/lib/cnf-update-db", line 26, in <module>
col.create(db)
File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 94, in create
self._fill_commands(con)
File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 138,