code: def debug(self, topLeftIndex, bottomRightIndex):
          
          if topLeftIndex.isValid() and bottomRightIndex.isValid():
              topRow = topLeftIndex.row()
              bottomRow = bottomRightIndex.row()
              for row in range(topRow, bottomRow + 1):
                  index = topLeftIndex.sibling(row, 0)
                  childItem = self.getItem(index)
                  logger.debug("Data changed in: {}".format(childItem.nodePath))
docs: Temporary debug to test the dataChanged signal. TODO: remove.