Andre,
You also need blank=True here:
pn = models.CharField('Publication number', max_length=20, null=True)
That will fix you :-)
Ben
Andre Meyer wrote:
> hi all
>
> now, this is driving me crazy. this problem persists even after
> switching from 0.96.1 to the newforms-admin branch.
>
> after declaring a model class with an attribute that may be null (pn)
> the admin site still tells me to fill in that field, because "This
> field is required.", but it isn't.
>
> i have registered the model class to the admin site without any custom
> options.
>
> recreated the database file (sqlite) after switching to the na branch.
>
> checked in SQLite Manager that the pn field may indeed be null.
>
> new Dossier instances can be created and saved in the shell without
> the pn attribute, but when viewing the instance on the admin page and
> pressing Save, the error appears.
>
> what is the matter?????
>
> thanks for your suggestions
> cheers
> André
>
>
> code:
>
> /model.py
> /
> class Dossier(models.Model):
> an = models.CharField('Dossier number', max_length=10,
> primary_key=True)
> pn = models.CharField('Publication number', max_length=20, null=True)
>
> def __unicode__(self):
> return self.an <http://self.an>
>
> admin.site.register(Dossier)
>
>
> >
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