/usr/lib/python3.10/site-packages/setuptools/dist.py:717: UserWarning: Usage of dash-separated 'provides-extra' will not be supported in future versions. Please use the underscore name 'provides_extra' instead
  warnings.warn(
/usr/lib/python3.10/site-packages/setuptools/dist.py:717: UserWarning: Usage of dash-separated 'requires-dist' will not be supported in future versions. Please use the underscore name 'requires_dist' instead
  warnings.warn(
running build
running build_py
creating build
creating build/lib
creating build/lib/urllib3
copying src/urllib3/response.py -> build/lib/urllib3
copying src/urllib3/request.py -> build/lib/urllib3
copying src/urllib3/poolmanager.py -> build/lib/urllib3
copying src/urllib3/filepost.py -> build/lib/urllib3
copying src/urllib3/fields.py -> build/lib/urllib3
copying src/urllib3/exceptions.py -> build/lib/urllib3
copying src/urllib3/connectionpool.py -> build/lib/urllib3
copying src/urllib3/connection.py -> build/lib/urllib3
copying src/urllib3/_version.py -> build/lib/urllib3
copying src/urllib3/_collections.py -> build/lib/urllib3
copying src/urllib3/__init__.py -> build/lib/urllib3
creating build/lib/urllib3/packages
copying src/urllib3/packages/six.py -> build/lib/urllib3/packages
copying src/urllib3/packages/__init__.py -> build/lib/urllib3/packages
creating build/lib/urllib3/packages/ssl_match_hostname
copying src/urllib3/packages/ssl_match_hostname/_implementation.py -> build/lib/urllib3/packages/ssl_match_hostname
copying src/urllib3/packages/ssl_match_hostname/__init__.py -> build/lib/urllib3/packages/ssl_match_hostname
creating build/lib/urllib3/packages/backports
copying src/urllib3/packages/backports/makefile.py -> build/lib/urllib3/packages/backports
copying src/urllib3/packages/backports/__init__.py -> build/lib/urllib3/packages/backports
creating build/lib/urllib3/contrib
copying src/urllib3/contrib/socks.py -> build/lib/urllib3/contrib
copying src/urllib3/contrib/securetransport.py -> build/lib/urllib3/contrib
copying src/urllib3/contrib/pyopenssl.py -> build/lib/urllib3/contrib
copying src/urllib3/contrib/ntlmpool.py -> build/lib/urllib3/contrib
copying src/urllib3/contrib/appengine.py -> build/lib/urllib3/contrib
copying src/urllib3/contrib/_appengine_environ.py -> build/lib/urllib3/contrib
copying src/urllib3/contrib/__init__.py -> build/lib/urllib3/contrib
creating build/lib/urllib3/contrib/_securetransport
copying src/urllib3/contrib/_securetransport/low_level.py -> build/lib/urllib3/contrib/_securetransport
copying src/urllib3/contrib/_securetransport/bindings.py -> build/lib/urllib3/contrib/_securetransport
copying src/urllib3/contrib/_securetransport/__init__.py -> build/lib/urllib3/contrib/_securetransport
creating build/lib/urllib3/util
copying src/urllib3/util/request.py -> build/lib/urllib3/util
copying src/urllib3/util/wait.py -> build/lib/urllib3/util
copying src/urllib3/util/url.py -> build/lib/urllib3/util
copying src/urllib3/util/timeout.py -> build/lib/urllib3/util
copying src/urllib3/util/ssltransport.py -> build/lib/urllib3/util
copying src/urllib3/util/ssl_.py -> build/lib/urllib3/util
copying src/urllib3/util/retry.py -> build/lib/urllib3/util
copying src/urllib3/util/response.py -> build/lib/urllib3/util
copying src/urllib3/util/queue.py -> build/lib/urllib3/util
copying src/urllib3/util/proxy.py -> build/lib/urllib3/util
copying src/urllib3/util/connection.py -> build/lib/urllib3/util
copying src/urllib3/util/__init__.py -> build/lib/urllib3/util
sphinx-build -b html -d _build/doctrees  '-W' . _build/html
Running Sphinx v4.3.2
making output directory... done

Theme error:
no theme named 'furo' found (missing theme.conf?)
make: *** [Makefile:40: html] Error 2
==> ERROR: A failure occurred in build().
    Aborting...