Also of note, I recently upgraded to Django 1.9 from Django 1.7 where this was working fine. It looks like this commit is the cause of my problem: https://github.com/django/django/commit/ff077cd6496b6f82195e2dc040f70e19e7c206c9
On Tuesday, January 19, 2016 at 4:23:00 PM UTC-8, steve byerly wrote: > > I have a model with a nullable field (PositiveSmallIntegerField) with > defined choices. When I make a ModelForm for the model and do not select a > value for this field, the field always comes back in the changed data. The > reason is that the empty choice value, the data_value, is an empty string, > while the initial_value is None. > > I can override the base field and make a TypedChoiceField, and provide a > function to coerce which returns None if the value is an empty string. > > Is this the only route, or is there a better way to accomplish this? > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/6c38874b-b876-43a5-827b-fcf8d48365cf%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
