[...]

copying chardet/escprober.py -> build-3/lib/chardet
copying chardet/sbcsgroupprober.py -> build-3/lib/chardet
copying chardet/latin1prober.py -> build-3/lib/chardet
copying chardet/sbcharsetprober.py -> build-3/lib/chardet
copying chardet/jpcntx.py -> build-3/lib/chardet
copying chardet/langturkishmodel.py -> build-3/lib/chardet
copying chardet/version.py -> build-3/lib/chardet
copying chardet/langgreekmodel.py -> build-3/lib/chardet
copying chardet/mbcsgroupprober.py -> build-3/lib/chardet
copying chardet/universaldetector.py -> build-3/lib/chardet
copying chardet/langbulgarianmodel.py -> build-3/lib/chardet
creating build-3/lib/chardet/cli
copying chardet/cli/chardetect.py -> build-3/lib/chardet/cli
copying chardet/cli/__init__.py -> build-3/lib/chardet/cli
+ pwd
+ PYTHONPATH=/tmp/B.oYugGs/BUILD/chardet-3.0.4 /usr/bin/make -j4 -C docs html 'SPHINXBUILD=sphinx-build-3'
make: Entering directory '/tmp/B.oYugGs/BUILD/chardet-3.0.4/docs'
sphinx-build-3 -b html -d _build/doctrees   . _build/html
Traceback (most recent call last):
  File "/usr/bin/sphinx-build-3", line 6, in <module>
    from pkg_resources import load_entry_point
  File "/usr/share/python3.8/site-packages/pkg_resources/__init__.py", line 3251, in <module>
    def _initialize_master_working_set():
  File "/usr/share/python3.8/site-packages/pkg_resources/__init__.py", line 3234, in _call_aside
    f(*args, **kwargs)
  File "/usr/share/python3.8/site-packages/pkg_resources/__init__.py", line 3263, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/share/python3.8/site-packages/pkg_resources/__init__.py", line 583, in _build_master
    ws.require(__requires__)
  File "/usr/share/python3.8/site-packages/pkg_resources/__init__.py", line 900, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/share/python3.8/site-packages/pkg_resources/__init__.py", line 786, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'babel!=2.0,>=1.3' distribution was not found and is required by Sphinx
make: *** [Makefile:53: html] Error 1
make: Leaving directory '/tmp/B.oYugGs/BUILD/chardet-3.0.4/docs'
error: Bad exit status from /tmp/B.oYugGs/BUILD/tmp/rpm-tmp.55176 (%build)
RPM build errors:
    Bad exit status from /tmp/B.oYugGs/BUILD/tmp/rpm-tmp.55176 (%build)
ended at: Sat Nov  9 19:35:43 2019, done in 0:00:00.847783
error: No files produced.
+ chmod -R u+rwX /tmp/B.oYugGs/BUILD
+ rm -rf /tmp/B.oYugGs/tmp /tmp/B.oYugGs/BUILD
+ rm -rf /tmp/B.oYugGs
Begin-TLD-Builder-Info
Build-Time: user:1.25s sys:0.24s real:1.52s (faults io:1 non-io:71452)
End-TLD-Builder-Info