Closed
Description
Just trying to do something simple like:
%matplotlib notebook
import matplotlib.pyplot as plt
plt.plot(range(10))
plt.tight_layout()results in
Traceback (most recent call last):
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/ipykernel/comm/manager.py", line 137, in comm_msg
comm.handle_msg(msg)
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/ipykernel/comm/comm.py", line 164, in handle_msg
self._msg_callback(msg)
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/matplotlib/backends/backend_nbagg.py", line 304, in on_message
self.manager.handle_json(message)
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/matplotlib/backends/backend_webagg_core.py", line 485, in handle_json
self.canvas.handle_event(content)
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/matplotlib/backends/backend_webagg_core.py", line 272, in handle_event
return handler(event)
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/matplotlib/backends/backend_webagg_core.py", line 288, in handle_draw
self.draw()
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/matplotlib/backends/backend_webagg_core.py", line 181, in draw
self.manager.refresh_all()
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/matplotlib/backends/backend_webagg_core.py", line 489, in refresh_all
diff = self.canvas.get_diff_image()
File "/Users/jhn/Envs/matplotlibbisect/lib/python3.5/site-packages/matplotlib/backends/backend_webagg_core.py", line 232, in get_diff_image
None, compression=6, filter=_png.PNG_FILTER_NONE)
TypeError: Object does not appear to be a 8-bit string path or a Python file-like object
git bisect tells me that it was broken by 9758da5