add empty string / none to choices for single LocationGroupCategories
@@ -52,6 +52,7 @@ class EditorFormBase(ModelForm):
if category.single:
name = 'group_'+category.name
initial = initial[0] if initial else ''
+ choices = (('', '---'), )+choices
field = ChoiceField(label=category.title, required=False, initial=initial, choices=choices)
else:
name = 'groups_'+category.name
