def clear_trajectories(self):
        for attr in ['system', 'times', 'constants', 'states_symbols',
                     'states_trajectories']:
            setattr(self, attr, None)
Sets the 'system', 'times', 'constants', 'states_symbols', and
dataset/ETHPy150Open pydy/pydy/pydy/viz/scene.py/Scene.clear_trajectories