From 976872df350ddba4c84685d29ab6987ca9ab899c Mon Sep 17 00:00:00 2001 From: Roberto Rosario Date: Thu, 6 Sep 2018 03:36:20 -0400 Subject: [PATCH] Type cast dictionary items to list before attemping to slice. Signed-off-by: Roberto Rosario --- mayan/apps/navigation/classes.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mayan/apps/navigation/classes.py b/mayan/apps/navigation/classes.py index 38fe0fa003..9c8baeb790 100644 --- a/mayan/apps/navigation/classes.py +++ b/mayan/apps/navigation/classes.py @@ -475,7 +475,7 @@ class SourceColumn(object): try: # Special case for queryset items produced from # .defer() or .only() optimizations - return SourceColumn.sort(columns=cls._registry[source._meta.parents.items()[0][0]]) + return SourceColumn.sort(columns=cls._registry[list(source._meta.parents.items())[0][0]]) except (AttributeError, KeyError, IndexError): return () except TypeError: