docs: def get_pointlist(self):
          """
          Get a list of lists of tuples from JSON raw data string. Those lists
          represent strokes with control points.
  
          Returns
          -------
          list :
              A list of strokes. Each stroke is a list of dictionaries
              {'x': 123, 'y': 42, 'time': 1337}
          """
          try:
              pointlist = json.loads(self.raw_data_json)
          except Exception as inst:
              logging.debug("pointStrokeList: strokelistP")
              logging.debug(self.raw_data_json)
              logging.debug("didn't work")
              raise inst
  
          if len(pointlist) == 0:
              logging.warning("Pointlist was empty. Search for '" +
                              self.raw_data_json + "' in `wm_raw_draw_data`.")
          return pointlist