6👍
✅
you are using the wrong keys, it should be
{% url 'pennies.views.seed_preview' shareable_id=seed.id salt=seed.salt %}
0👍
You need to load the future url template tag in every template where you use it. Loading a template tag library does not make it available to parent or child templates.
For more info see the Django docs on Custom libraries and template inheritance
- [Django]-Django, dynamic apps support
- [Django]-Django Foreign Keys Breaking with Multi-Table Inheritance
Source:stackexchange.com