Closed as not planned
Description
Bug report
Bug summary
Text cannot be animated with blit=True. Code works fine with blit=False.
Code for reproduction
import matplotlib.animation
import matplotlib.pyplot
Animation = matplotlib.animation.FuncAnimation(
matplotlib.pyplot.figure(),
lambda x: (matplotlib.pyplot.suptitle(int(x)),),
frames=1,
blit=True)
matplotlib.pyplot.show(block=True)Actual outcome
This error:
Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Program Files\Python36\lib\tkinter\__init__.py", line 1702, in __call__
return self.func(*args)
File "C:\Program Files\Python36\lib\tkinter\__init__.py", line 746, in callit
func(*args)
File "C:\Program Files\Python36\lib\site-packages\matplotlib\backends\_backend_tk.py", line 88, in _on_timer
TimerBase._on_timer(self)
File "C:\Program Files\Python36\lib\site-packages\matplotlib\backend_bases.py", line 1373, in _on_timer
ret = func(*args, **kwargs)
File "C:\Program Files\Python36\lib\site-packages\matplotlib\animation.py", line 1481, in _step
still_going = Animation._step(self, *args)
File "C:\Program Files\Python36\lib\site-packages\matplotlib\animation.py", line 1217, in _step
self._draw_next_frame(framedata, self._blit)
File "C:\Program Files\Python36\lib\site-packages\matplotlib\animation.py", line 1237, in _draw_next_frame
self._post_draw(framedata, blit)
File "C:\Program Files\Python36\lib\site-packages\matplotlib\animation.py", line 1260, in _post_draw
self._blit_draw(self._drawn_artists, self._blit_cache)
File "C:\Program Files\Python36\lib\site-packages\matplotlib\animation.py", line 1274, in _blit_draw
bg_cache[a.axes] = a.figure.canvas.copy_from_bbox(a.axes.bbox)
AttributeError: 'NoneType' object has no attribute 'bbox'
Expected outcome
A plot with suptitle 0.
Matplotlib version
- Operating system: Windows 10
- Matplotlib version: matplotlib==2.2.2
- Matplotlib backend: TkAgg
- Python version: 3.6.5
- Jupyter version (if applicable): none
- Other libraries:
Python from https://www.python.org/
Matplotlib using pip