$ ./britney.py -c britney.conf --series=yakkety -v
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/arges, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/tjaalton, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/ubuntu-touch/ken-vandine, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/apw, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/ubuntu-touch/mathieu-tl, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/stefanor, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/kitterman, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/jriddell, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/ubuntu-touch/lool, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/laney, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/raof, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/adconrad, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/pitti, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/cjwatson, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/ubuntu-touch/ogra, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/stgraber, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/brian-murray, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/ubuntu-touch/ev, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/freeze, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/vorlon, no such file!
E: [Thu Sep 15 22:49:45 2016] - Cannot read hints list from data/yakkety-proposed/Hints/ubuntu-touch/didrocks, no such file!
W: [Thu Sep 15 22:49:45 2016] - WARNING: No block hints at all, not even udeb ones!
I: [Thu Sep 15 22:49:45 2016] - Loading source packages from data/yakkety/Sources
I: [Thu Sep 15 22:49:45 2016] - Loading source packages from data/yakkety-proposed/Sources
I: [Thu Sep 15 22:49:45 2016] - Building inverse testsuite_triggers map
I: [Thu Sep 15 22:49:45 2016] - Loading binary packages from data/yakkety-proposed/Packages_amd64
Traceback (most recent call last):
File "./britney.py", line 3250, in <module>
Britney().main()
File "./britney.py", line 329, in __init__
self.binaries['unstable'][arch] = self.read_binaries(self.options.unstable, "unstable", arch)
File "./britney.py", line 1120, in read_binaries
self.sources[distribution])
File "./britney.py", line 903, in _read_packages_file
pkg = intern(pkg)
TypeError: intern() argument 1 must be str, not None