repos-collab/sphinx-tojupyter/sphinx_tojupyter/builders/jupyter.py:82: RemovedInSphinx40Warning: The suffix argument for doc2path() is deprecated.
targetname = self.env.doc2path(docname, self.outdir,
repos-collab/sphinx-tojupyter/sphinx_tojupyter/builders/jupyter.py:82: RemovedInSphinx40Warning: The string style base argument for doc2path() is deprecated.
targetname = self.env.doc2path(docname, self.outdir,
Fix the following upcoming deprecations.