Closed
Description
Bug summary
When using GTK as backend, a bunch of warnings are shown in the terminal due to missing icons and the UI does not show icons in the toolbar.
Code for reproduction
import matplotlib.pyplot as plt
plt.plot([1, 2, 3, 5])
plt.ylabel('some numbers')
plt.show()Actual outcome
(python:35385): Gtk-WARNING **: 22:07:42.455: Failed to load icon <path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/home-symbolic.svg: Failed to open file “<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/home-symbolic.svg”: No such file or directory
(python:35385): Gtk-WARNING **: 22:07:42.455: Failed to load icon <path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/back-symbolic.svg: Failed to open file “<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/back-symbolic.svg”: No such file or directory
(python:35385): Gtk-WARNING **: 22:07:42.455: Failed to load icon <path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/forward-symbolic.svg: Failed to open file “<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/forward-symbolic.svg”: No such file or directory
(python:35385): Gtk-WARNING **: 22:07:42.455: Failed to load icon<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/move-symbolic.svg: Failed to open file “<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/move-symbolic.svg”: No such file or directory
(python:35385): Gtk-WARNING **: 22:07:42.455: Failed to load icon <path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/zoom_to_rect-symbolic.svg: Failed to open file “<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/zoom_to_rect-symbolic.svg”: No such file or directory
(python:35385): Gtk-WARNING **: 22:07:42.455: Failed to load icon <path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/subplots-symbolic.svg: Failed to open file “<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/subplots-symbolic.svg”: No such file or directory
(python:35385): Gtk-WARNING **: 22:07:42.455: Failed to load icon <path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/filesave-symbolic.svg: Failed to open file “<path_to_project>/venv/lib/python3.13/site-packages/matplotlib/mpl-data/images/filesave-symbolic.svg”: No such file or directory
Expected outcome
Icons are shown properly
Additional information
Steps:
python -m venv venv
. venv/bin/activate
pip install -U pip
pip install -U matplotlib
pip install -U PyGObject
# put code for reproduction in a file `main.py`
python main.py
Operating system
Ubuntu
Matplotlib Version
3.9.3
Matplotlib Backend
gtk4agg
Python version
3.13.0
Jupyter version
No response
Installation
pip
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