python2, matplotlib, animation bug hunting AttributeError 'list' object has no attribute 'set data' смотреть онлайн

Exception in Tkinter callback
Traceback (most recent call last):
File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1540, in __call__
return self.func(*args)
File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 590, in callit
func(*args)
File "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_tkagg.py", line 373, in idle_draw
self.draw()
File "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_tkagg.py", line 354, in draw
FigureCanvasAgg.draw(self)
File "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_agg.py", line 474, in draw
self.figure.draw(self.renderer)
File "/usr/lib/python2.7/dist-packages/matplotlib/artist.py", line 61, in draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "/usr/lib/python2.7/dist-packages/matplotlib/figure.py", line 1165, in draw
self.canvas.draw_event(renderer)
File "/usr/lib/python2.7/dist-packages/matplotlib/backend_bases.py", line 1809, in draw_event
self.callbacks.process(s, event)
File "/usr/lib/python2.7/dist-packages/matplotlib/cbook.py", line 563, in process
proxy(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/matplotlib/cbook.py", line 430, in __call__
return mtd(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/matplotlib/animation.py", line 648, in _start
self._init_draw()
File "/usr/lib/python2.7/dist-packages/matplotlib/animation.py", line 1193, in _init_draw
self._draw_frame(next(self.new_frame_seq()))
File "/usr/lib/python2.7/dist-packages/matplotlib/animation.py", line 1212, in _draw_frame
self._drawn_artists = self._func(framedata, *self._args)
File "./Basic_Animation_Example_bughunting.py", line 10, in update_line
line.set_data(data [..., :num])
AttributeError: 'list' object has no attribute 'set_data'