[...]

d(req, requirers)
pkg_resources.DistributionNotFound: The 'babel!=2.0,>=1.3' distribution was not found and is required by Sphinx
make: *** [Makefile:45: html] Error 1
make: Leaving directory '/tmp/B.7609Bz/BUILD/Babel-2.7.0/docs'
error: Bad exit status from /tmp/B.7609Bz/BUILD/tmp/rpm-tmp.50091 (%build)
RPM build errors:
    Bad exit status from /tmp/B.7609Bz/BUILD/tmp/rpm-tmp.50091 (%build)
ended at: Sat Nov  9 19:35:23 2019, done in 0:00:01.273091
error: No files produced.
+ chmod -R u+rwX /tmp/B.7609Bz/BUILD
+ rm -rf /tmp/B.7609Bz/tmp /tmp/B.7609Bz/BUILD
+ rm -rf /tmp/B.7609Bz
Begin-TLD-Builder-Info
Build-Time: user:1.50s sys:0.48s real:2.07s (faults io:1 non-io:94906)
End-TLD-Builder-Info