code: def hide_tooltip_if_necessary(self, key):
          
          try:
              calltip_char = self.get_character(self.calltip_position)
              before = self.is_cursor_before(self.calltip_position,
                                             char_offset=1)
              other = key in (Qt.Key_ParenRight, Qt.Key_Period, Qt.Key_Tab)
              if calltip_char not in ('?', '(') or before or other:
                  QToolTip.hideText()
          except (IndexError, TypeError):
              QToolTip.hideText()
docs: Hide calltip when necessary