if db_field.name == 'affiliations':
kwargs['widget'] = widgets.FilteredSelectMultiple(db_field.verbose_name, (db_field.name in self.filter_vertical))
rv = super(LibraryOptions, self).formfield_for_dbfield(db_field, **kwargs)
- print db_field.name, kwargs
return rv
class SpeciesOptions(admin.ModelAdmin):