[DOC, WIP] update path handling 2 (#10859)
[DOC, WIP] update path handling 2 (#10859)

* path handling

* path handling fix

* Update examples/inverse/multidict_reweighted_tfmxne.py [ci skip]

Co-authored-by: Daniel McCloy <2591e5f46f28d303f9dc027d475a5c60d8dea17a@mccloy.info>

Co-authored-by: Daniel McCloy <2591e5f46f28d303f9dc027d475a5c60d8dea17a@mccloy.info>
larsoner/mne-python,olafhauk/mne-python,larsoner/mne-python,wmvanvliet/mne-python,kingjr/mne-python,mne-tools/mne-python,wmvanvliet/mne-python,drammock/mne-python,drammock/mne-python,mne-tools/mne-python,pravsripad/mne-python,pravsripad/mne-python,pravsripad/mne-python,mne-tools/mne-python,olafhauk/mne-python,olafhauk/mne-python,Teekuningas/mne-python,drammock/mne-python,kingjr/mne-python,kingjr/mne-python,Teekuningas/mne-python,larsoner/mne-python,wmvanvliet/mne-python,Teekuningas/mne-python