remove ticket only once

djangocon / 2019.djangocon.eu

🚲 DjangoCon Europe 2019 website

https://2019.djangocon.eu/

MIT License

13 stars 16 forks source link

Closed benjaoming closed 5 years ago

benjaoming commented 5 years ago

Fixes AssertionError: TicketbutlerTicket object can't be deleted because its id attribute is set to None.