The template filter format someList|length_is: '1' is no longer supported in Django starting with 5.1. So everyone using django-forms-fieldset, who updates their Django version to 5.1 will currently have their forms break. You can now use: someList|length == 1 instead.
The template filter format
someList|length_is: '1'is no longer supported in Django starting with 5.1. So everyone using django-forms-fieldset, who updates their Django version to 5.1 will currently have their forms break. You can now use:someList|length == 1instead.