Update ordered_multimap.py

ordered_multimap.py

@@ -8,10 +8,12 @@ class OrderedMultiIndexMapWeakRef:
 
     def insert(self, id, text, title: str = None, sub_title: str = None):
         self.data.append(text)
-        if title is not None or sub_title is not None:
+        if (title is not None) and (sub_title is not None):
             self.index_list.append((id, WeakValueDictionary({'title': title, 'sub_title': sub_title})))
+        elif (title is not None) and (sub_title is None):
+            self.index_list.append((id, WeakValueDictionary({'title': title})))
         else:
-            self.index_list.append((id, None))
+            self.index_list.append(id)
 
     def get(self, key):
         if key: