def plot_interval(self, parameter='t'):
        t = _symbol(parameter)
        return [t, 0, 1]
Called when we receive a `m.presence` EDU from a remote server.
dataset/ETHPy150Open sympy/sympy/sympy/geometry/line.py/Segment.plot_interval--crossover with--dataset/ETHPy150Open matrix-org/synapse/synapse/handlers/presence.py/PresenceHandler.incoming_presence