Bug in tut_intro.ipynb when calling cv.MultiSim about covasim

[cliffckerr]

Hi @TristanFauvel , sorry you're encountering an issue! In general, on Windows, any calls to multiprocess need to happen within the __main__ block; see the answer here:
https://docs.idmod.org/projects/covasim/en/latest/faq.html#why-do-parallel-simulations-fail-on-windows-or-in-jupyter-notebooks

However, this doesn't usually happen from within a Jupyter notebook, so I'm surprised you encountered that here. While adding the __main__ block should fix it, it's possible that upgrading your Jupyter/IPython kernel might as well. Let us know if that works, and if not then we can investigate further and potentially update the FAQ.

[TristanFauvel]

Hi @cliffckerr,
thanks for the quick reply, and for the great package. Actually when running the example in the FAQ I don't get an error, even when not using a __main__ block. By contrast, adding a __main__ block does not solve the issue in tut_intro.ipynb.