3.6.0: sphinx warnings

[kloczek]

Looks like latest sphinx shows some warnings

+ /usr/bin/python3 setup.py build_sphinx -b man --build-dir build/sphinx
running build_sphinx
Running Sphinx v4.1.2
making output directory... done
WARNING: html_static_path entry '_static' does not exist
loading intersphinx inventory from https://docs.python.org/objects.inv...
intersphinx inventory has moved: https://docs.python.org/objects.inv -> https://docs.python.org/3/objects.inv
building [mo]: targets for 0 po files that are out of date
building [man]: all manpages
updating environment: [new config] 18 added, 0 changed, 0 removed
reading sources... [100%] zconfig
/home/tkloczko/rpmbuild/BUILD/ZConfig-3.6.0/doc/tools.rst:16: WARNING: Command ['zconfig', '--help'] failed: [Errno 2] No such file or directory: 'zconfig'
/home/tkloczko/rpmbuild/BUILD/ZConfig-3.6.0/doc/tools.rst:27: WARNING: Command ['zconfig_schema2html', '--help'] failed: [Errno 2] No such file or directory: 'zconfig_schema2html'
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
writing... python-zconfig.3 { using-zconfig using-logging developing-with-zconfig writing-schema standard-datatypes standard-components logging-components writing-components documenting-components zconfig py-mod-zconfig py-mod-datatypes py-mod-loader py-mod-subst py-mod-cmdline tools changelog } done
build succeeded, 3 warnings.

[kloczek]

Closed. Duplicate with #85