+ /usr/bin/python3 setup.py build_sphinx -b man
running build_sphinx
Running Sphinx v4.0.2

Configuration error:
There is a programmable error in your configuration file:

Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/sphinx/config.py", line 323, in eval_config_file
    exec(code, namespace)
  File "/home/tkloczko/rpmbuild/BUILD/sphinx-argparse-0.2.5/docs/conf.py", line 64, in <module>
    version = pkg_resources.require("version")
  File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 901, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 787, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'version' distribution was not found and is required by the application