docs: def get_relative_positions_of_waypoints(transition_v):
      """This method takes the waypoints of a connection and returns all relative positions of these waypoints.
  
      :param canvas: Canvas to check relative position in
      :param transition_v: Transition view to extract all relative waypoint positions
      :return: List with all relative positions of the given transition
      """
      handles_list = transition_v.handles()
      rel_pos_list = []
      for handle in handles_list:
          if handle in transition_v.end_handles(include_waypoints=True):
              continue
          rel_pos = transition_v.canvas.get_matrix_i2i(transition_v, transition_v.parent).transform_point(*handle.pos)
          rel_pos_list.append(rel_pos)
      return rel_pos_list