code: def refresh(self, query=None):
          
          logger.info("refresh listing")
          focus_on_top = len(self.body) == 0  # focus if empty
          with self.refresh_lock:
              self.query(query_string=query)
          if focus_on_top:
              try:
                  self.set_focus(0)
              except IndexError:
                  pass
docs: refresh listing, also apply filters
          :return: