rritoch@home:~$ kubuntu-devel-release-upgrade
sudo: unable to resolve host home
Checking for a new Ubuntu release
kde
authenticate 'wily.tar.gz' against 'wily.tar.gz.gpg'
extracting 'wily.tar.gz'
Traceback (most recent call last):
  File "/usr/bin/do-release-upgrade", line 165, in <module>
    fetcher.run()
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcherCore.py", line 307, in run
    self.runDistUpgrader()
  File "/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcherKDE.py", line 133, in runDistUpgrader
    self.run_options])
TypeError: Can't convert 'list' object to str implicitly