[...]

Already up to date.
No conditional flags passed
from available:
--with   :	 tests
--without:	 python2 python3
Available branches: master
Searching for tag auto/ti/python-isort-4.2.15-2...
Searching for tag auto/ti/python-isort-4_2_15-2...
--2018-08-29 08:40:52--  http://distfiles.pld-linux.org/distfiles/by-md5/3/4/34915a2ce60e6fe3dbcbf5982deef9b4/isort-4.2.15.tar.gz
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 56740 (55K) [application/x-gzip]
Saving to: 'isort-4.2.15.tar.gz'
     0K .......... .......... .......... .......... .......... 90% 1.21M 0s
    50K .....                                                 100%  132M=0.04s
2018-08-29 08:40:52 (1.34 MB/s) - 'isort-4.2.15.tar.gz' saved [56740/56740]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python-isort-4.2.15-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 tests
--without:	 python2 python3
Writing git revision for tag auto/ti/python-isort-4.2.15-2
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.82650
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf isort-4.2.15
Begin-TLD-Builder-Info
Build-Time: user:0.59s sys:0.07s real:1.81s (faults io:0 non-io:100686)
Files queued for ftp:
     61442 python-isort-4.2.15-2.src.rpm
       191 python-isort-4.2.15-2.src.rpm.uploadinfo
End-TLD-Builder-Info