Untitled

class NumberForm(forms.ModelForm):

        def __init__(self, *args, **kwargs):
                self.room_queryset = kwargs.pop('room_queryset', None)
                super(NumberForm, self).__init__(*args, **kwargs)
                self.fields['rooms'].queryset = self.room_queryset

        rooms = forms.ModelChoiceField(label='Room', queryset = Room.objects.none())

        class Meta:
                model = Number
                fields = ('country','routing_rule','rooms')