Bug summary

Using matplotlib on pycharm, this error :

AttributeError: 'FigureCanvasInterAgg' object has no attribute 'tostring_rgb'. Did you mean: 'tostring_argb'?

Only on powershell, using CMD it works

matplotlib error.pdf

Code for reproduction

import control as ct
import matplotlib.pyplot as plt

# Define the transfer function
sys = ct.TransferFunction([1], [1, 10.4, 16+19.2+12, 128+28.8, 192])

# Calculate and plot the root locus
roots, gains = ct.root_locus(sys, plot=True)
plt.show()

Actual outcome

warnings.warn(
Ignoring fixed x limits to fulfill fixed data aspect with adjustable data limits.
Traceback (most recent call last):
File "C:\Users\diego\OneDrive\Documentos\faculdade\controle automatico\sistemas de controle\lista 4\q6.py", line 9, in
plt.show()
File "C:\Users\diego\OneDrive\Documentos\faculdade\controle automatico\sistemas de controle.venv\Lib\site-packages\matplotlib\pyplot.py", line 614, in show
return _get_backend_mod().show(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Program Files\JetBrains\PyCharm 2024.1.3\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 41, in call
manager.show(**kwargs)
File "C:\Program Files\JetBrains\PyCharm 2024.1.3\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 144, in show
self.canvas.show()
File "C:\Program Files\JetBrains\PyCharm 2024.1.3\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 85, in show
buffer = self.tostring_rgb()
^^^^^^^^^^^^^^^^^
AttributeError: 'FigureCanvasInterAgg' object has no attribute 'tostring_rgb'. Did you mean: 'tostring_argb'?

Expected outcome

ploting

Additional information

works on CMD

Operating system

Windows 11

Matplotlib Version

3.10.6

Matplotlib Backend

module://backend_interagg

Python version

Python 3.12.1

Jupyter version

No response

Installation

pip