Public bug reported:
I am using Ubuntu 20.04.1 LTS (including python3-matplotlib
3.1.2-1ubuntu4)
To save a figure using matplotlib.pyplot into a jpg file, matplotlib
uses Python Imaging Library (PIL). Unfortunately even if we install the
package python3-pil 7.0.0-4ubuntu0.1 it fails:
File "/usr/lib/python3/dist-packages/matplotlib/backend_bases.py", line 1961,
in _get_output_canvas
raise ValueError(
ValueError: Format 'jpg' is not supported (supported formats: eps, pdf,
pgf, png, ps, raw, rgba, svg, svgz)
The reason is matplotlib detect PIL version by doing so (in file
backend_bases.py line 57):
from PIL import PILLOW_VERSION
PILLOW_VERSION has been removed since PIL version 7.0 to be replaced by
PIL.__version__
To solve this issue it seems that you have to upgrade python3-matplotlib
package at least to version 3.3 (the version packaged for ubuntu 20.10,
I think)
** Affects: matplotlib (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1897283
Title:
Incompatibility with python3-pil v7.0
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