`Traceback (most recent call last):


 "/home/docs/checkouts/readthedocs.org/user_builds/sagemaker/envs/v1.18.3.post1/bin/sphinx-build", line 6, in <module>

from sphinx.cmd.build import main
ImportError: No module named sphinx.cmd.build`

>Traceback (most recent call last):


 "spotdl.py", line 14, in <module>

import pathlib
ImportError: No module named pathlib
