$ /root/src/kubuntu-automation/new-release -d yakkety
/root/src/kubuntu-automation/lib/../.cache/kubuntu-automation/
/root/src/kubuntu-automation/lib/../.cache/kubuntu-automation/
/root/src/kubuntu-automation/lib/../.cache/kubuntu-automation/
Traceback (most recent call last):
  File "/root/src/kubuntu-automation/new-release", line 48, in <module>
    version_str = version + "-0ubuntu1"
NameError: name 'version' is not defined