0.19.1: sphinx 4.1.x warnings

[kloczek]

+ /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
building [mo]: targets for 0 po files that are out of date
building [man]: all manpages
updating environment: [new config] 2 added, 0 changed, 0 removed
reading sources... [100%] libhttplib2
/home/tkloczko/rpmbuild/BUILD/httplib2-0.19.1/doc/libhttplib2.rst:213: WARNING: Literal block expected; none found.
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
writing... python-httplib2.3 { libhttplib2 } done
build succeeded, 2 warnings.