Issue 82: Fix order_by for queryset in cache_tree_children
Status:  New
Owner: ----
Reported by sirkonst@gmail.com, Dec 14, 2010
I think you must set the forced sort to avoid error "ValueError (cache_tree_children was passed nodes in the wrong order!").

Fix:
  ...
  current_path = []
  top_nodes = []
+ queryset = queryset.order_by('tree_id', 'lft')
  if queryset:
     ...