message: doc review: specify the error and indicate what to install on Ubuntu
diff: @@ -98,7 +98,21 @@ By default, persistence graphical tools are using LaTeX support for matplotlib i
  `matplotlib text rendering with LaTeX <https://matplotlib.org/3.3.0/tutorials/text/usetex.html>`_).
  It also requires `type1cm` LaTeX package (not detected by matplotlib).
  -If you are facing issues with LaTeX rendering, you can still deactivate LaTeX rendering by saying:
  +If you are facing issues with LaTeX rendering, like this one:
  +
  +.. code-block:: none
  +
  + Traceback (most recent call last):
  + File "/usr/lib/python3/dist-packages/matplotlib/texmanager.py", line 302, in _run_checked_subprocess
  + report = subprocess.check_output(command,
  + ...
  + ! LaTeX Error: File `type1cm.sty' not found.
  + ...
  +
  +This is because the LaTeX package is not installed on your system. On Ubuntu systems you can install texlive-full
  +(for all LaTeX packages), or more specific packages like texlive-latex-extra, cm-super.
  +
  +You can still deactivate LaTeX rendering by saying:
  .. code-block:: python
  