[...]

ython-3.8.2
+ grep -q tmpfs /proc/self/mounts
+ >&2 
+ echo 'You need to have /dev/shm mounted in order to build this package!'
You need to have /dev/shm mounted in order to build this package!
+ >&2 
+ echo '(Or any other tmpfs mounted and accessible to the rpmbuild process)'
(Or any other tmpfs mounted and accessible to the rpmbuild process)
+ exit 1
error: Bad exit status from /tmp/B.Sci7gz/BUILD/tmp/rpm-tmp.69476 (%build)
RPM build errors:
    Bad exit status from /tmp/B.Sci7gz/BUILD/tmp/rpm-tmp.69476 (%build)
ended at: Sat Apr 18 14:39:09 2020, done in 0:00:02.017683
error: No files produced.
+ chmod -R u+rwX /tmp/B.Sci7gz/BUILD
+ rm -rf /tmp/B.Sci7gz/tmp /tmp/B.Sci7gz/BUILD
+ rm -rf /tmp/B.Sci7gz
Begin-TLD-Builder-Info
Build-Time: user:1.84s sys:0.90s real:3.14s (faults io:21 non-io:60133)
End-TLD-Builder-Info