matplotlib.animation - WARNING - MovieWriter imagemagick unavailable; using Pillow instead.

[lucas15936]

Describe the bug
Hello. Can anyone help me with this error? I am trying run "Plotting in 3-D space" from examples from the docs of pyswarms, but I get this error ("matplotlib.animation - WARNING - MovieWriter imagemagick unavailable; using Pillow instead.") and a blank gif is given.

To Reproduce
Steps to reproduce the behavior: steps are given in https://pyswarms.readthedocs.io/en/latest/examples/tutorials/visualization.html

Expected behavior
Obtaining a gif

Environment:

• OS: Windows 11
• PySwarms Version: 1.3.0
• Python Version: 3.11.9

[mmfarrugia]

You do not have imagemagick installed, install it on your system (not a python package, so not a conda or pip install but a sudo apt... install).

Hope this helps!