I have the same error, but I was able to solve it by editing sourceslist.py and removing the .sources disablement.
PS: I reported the same bug a bit later, but when I changed its status, the bug report disappeared.
I have the same error, but I was able to solve it by editing sourceslist.py and removing the .sources disablement.
PS: I reported the same bug a bit later, but when I changed its status, the bug report disappeared.