Write cron business logic as a Python class and let this app do the rest! It enables Django projects to schedule cron tasks, tracks their success / failures, manages contention (via a cache) etc. Basically takes care of all the boring work for you :-)
Coverage decreased (-0.02%) to 89.738% when pulling 290e4177340e9c3093ff117fe7ed83edf39a8e08 on ihoru:patch-1 into 225f36204be2d01ef9fd6f80345e7a4812834842 on Tivix:master.
It was easier to remove sorting ability at this column rather than fix it (because it's not so useful opportunity).