[...]

creating build-3/lib/urllib3/contrib/_securetransport
copying src/urllib3/contrib/_securetransport/low_level.py -> build-3/lib/urllib3/contrib/_securetransport
copying src/urllib3/contrib/_securetransport/__init__.py -> build-3/lib/urllib3/contrib/_securetransport
copying src/urllib3/contrib/_securetransport/bindings.py -> build-3/lib/urllib3/contrib/_securetransport
creating build-3/lib/urllib3/util
copying src/urllib3/util/connection.py -> build-3/lib/urllib3/util
copying src/urllib3/util/request.py -> build-3/lib/urllib3/util
copying src/urllib3/util/timeout.py -> build-3/lib/urllib3/util
copying src/urllib3/util/queue.py -> build-3/lib/urllib3/util
copying src/urllib3/util/url.py -> build-3/lib/urllib3/util
copying src/urllib3/util/__init__.py -> build-3/lib/urllib3/util
copying src/urllib3/util/ssl_.py -> build-3/lib/urllib3/util
copying src/urllib3/util/retry.py -> build-3/lib/urllib3/util
copying src/urllib3/util/wait.py -> build-3/lib/urllib3/util
copying src/urllib3/util/response.py -> build-3/lib/urllib3/util
+ /usr/bin/make -j4 -C docs html 'SPHINXBUILD=sphinx-build-3' 'SPHINXOPTS='
make: Entering directory '/tmp/B.MlVhbl/BUILD/urllib3-1.25.6/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 'urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1' distribution was not found and is required by requests
make: *** [Makefile:40: html] Error 1
make: Leaving directory '/tmp/B.MlVhbl/BUILD/urllib3-1.25.6/docs'
error: Bad exit status from /tmp/B.MlVhbl/BUILD/tmp/rpm-tmp.28887 (%build)
RPM build errors:
    Bad exit status from /tmp/B.MlVhbl/BUILD/tmp/rpm-tmp.28887 (%build)
ended at: Sat Nov  9 20:58:58 2019, done in 0:00:00.644566
error: No files produced.
+ chmod -R u+rwX /tmp/B.MlVhbl/BUILD
+ rm -rf /tmp/B.MlVhbl/tmp /tmp/B.MlVhbl/BUILD
+ rm -rf /tmp/B.MlVhbl
Begin-TLD-Builder-Info
Build-Time: user:0.98s sys:0.23s real:1.27s (faults io:0 non-io:88297)
End-TLD-Builder-Info