Changes in referenz entry field

dokumente/admin.py

@@ -2,11 +2,9 @@ from django.contrib import admin
 from django import forms
 from django.utils.safestring import mark_safe
 
-from mptt.forms import TreeNodeMultipleChoiceField
 from nested_admin import NestedStackedInline, NestedModelAdmin, NestedTabularInline
 from .models import *
 from stichworte.models import Stichwort, Stichworterklaerung
-from referenzen.models import Referenz
 
 
 
@@ -87,12 +85,10 @@ class EinleitungInline(NestedStackedInline):
     )
 
 class VorgabeForm(forms.ModelForm):
-    referenzen = TreeNodeMultipleChoiceField(queryset=Referenz.objects.all(), required=False)
-    
     class Meta:
         model = Vorgabe
         fields = '__all__'
-    
+
     def clean_thema(self):
         """Validate that thema is provided."""
         thema = self.cleaned_data.get('thema')