Enable Ruff preview flag

novelwriter/core/index.py

@@ -605,7 +605,7 @@ class Index:
         """Get all headings for a specific item."""
         if tItem := self._itemIndex[tHandle]:
             yield from tItem.items()
-        return []
+        return
 
     def novelStructure(
         self, rootHandle: str | None = None, activeOnly: bool = True

novelwriter/gui/editordocument.py

@@ -137,7 +137,7 @@ class GuiTextDocument(QTextDocument):
             if count < maxCount and block.isValid() and block.userState() & cType > 0:
                 count += 1
                 yield block
-        return None
+        return
 
     ##
     #  Public Slots