Ticket #3263: newforms_models.diff

newforms/models.py

@@ -33 +33 @@
     if form.errors:
         raise ValueError("The %s could not be changed because the data didn't validate." % opts.object_name)
     clean_data = form.clean_data
-    for f in opts.fields + opts.many_to_many:
+    for f in opts.fields:
         if isinstance(f, models.AutoField):
             continue
         setattr(instance, f.attname, clean_data[f.name])
+    for f in opts.many_to_many:
+        setattr(instance, f.attname, getattr(instance, f.attname).model.objects.filter(pk__in = clean_data[f.name]))
     if commit:
         instance.save()
     return instance