Import your Todos from CulturedCode's Things into Todoist. See comments inside
things2todoist.py for more details.
Before using things2todoist.py, generate input.csv using the
following AppleScript and Things3 (the unregistered version works
too). If you're using Things2, just install the Things3 demo and
import Things2 data: https://gist.github.com/leonroy/5b764856d56990e1dbac