Python3 fix: avoid None when sorting strings

2025-02-23 10:29:25 +01:00 · 2025-02-23 10:29:25 +01:00 · 0de7ef2550
commit 0de7ef2550
parent bbc277e81d
1 changed files with 2 additions and 1 deletions
--- a/loops/concept.py
+++ b/loops/concept.py
@ -182,7 +182,8 @@ class Concept(Contained, Persistent):
        predicates = predicates is None and ['c*'] or predicates
        relationships = [ConceptRelation(self, None, p) for p in predicates]
        if sort == 'default':
-            sort = lambda x: (x.order, (x.second.title and x.second.title.lower()))
+            sort = lambda x: (x.order or '', 
+                             (x.second.title and x.second.title.lower() or ''))
        rels = (r for r in getRelations(self, child, relationships=relationships,
                                        usePredicateIndex=usePredicateIndex)
                  if canListObject(r.second, noSecurityCheck) and