Simplify the get_queryst() / get_query_set() call choice

Author: vdboor

polymorphic_tree/managers.py

@@ -1,7 +1,6 @@
 """
 The manager class for the CMS models
 """
-import django
 from mptt.managers import TreeManager
 from polymorphic import PolymorphicManager
 from polymorphic.query import PolymorphicQuerySet
@@ -30,11 +29,6 @@ def toplevel(self):
  """
  Return all nodes which have no parent.
  """
- if hasattr(PolymorphicManager, 'get_queryset') and django.VERSION >= (1,6):
- # Latest django-polymorphic for Django 1.7
- # Should not be used for Django 1.4/1.5 all all, as that breaks the RelatedManager
- qs = self.get_queryset()
- else:
- qs = self.get_query_set()
-
- return qs.toplevel()
+ # By using .all(), the proper get_query_set()/get_queryset() will be used for each Django version.
+ # Django 1.4/1.5 need to use get_query_set(), because the RelatedManager overrides that.
+ return qs.all().toplevel()