Tivix/django-cron — pull request #24 by AlexzAK (2013-10-10 10:08:23+00:00)
Title: We should force database connection close, because django wont closeing ...

Django not closing database connection for management command as well as for shells
So every management command should close connection by itself

http://stackoverflow.com/questions/16841505/django-resetting-postgres-connection/16863238#16863238
And I've created bug report on this issue in Django's bug tracker
https://code.djangoproject.com/ticket/21255