D: [iurt_root_command] chroot
Installing /home/pterjan/rpmbuild/SRPMS/python-vatnumber-1.2-8.mga9.src.rpm
Building target platforms: noarch
Building for target noarch
Executing(%prep): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.cxNXeB
+ umask 022
+ cd /home/pterjan/rpmbuild/BUILD
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ cd /home/pterjan/rpmbuild/BUILD
+ rm -rf vatnumber-1.2
+ /usr/lib/rpm/rpmuncompress -x /home/pterjan/rpmbuild/SOURCES/vatnumber-1.2.tar.gz
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd vatnumber-1.2
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ /usr/lib/rpm/rpmuncompress /home/pterjan/rpmbuild/SOURCES/vatnumber-1.2-py3.patch
+ /usr/bin/patch -p1 -s --fuzz=0 --no-backup-if-mismatch -f
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%build): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.9P7Rtn
+ umask 022
+ cd /home/pterjan/rpmbuild/BUILD
+ cd vatnumber-1.2
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ CFLAGS='-O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fasynchronous-unwind-tables'
+ LDFLAGS=' -Wl,--as-needed -Wl,--no-undefined -Wl,-z,relro -Wl,-O1 -Wl,--build-id=sha1 -Wl,--enable-new-dtags'
+ /usr/bin/python3 setup.py build '--executable=/usr/bin/python3 -s'
error in vatnumber setup command: use_2to3 is invalid.
error: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.9P7Rtn (%build)

RPM build errors:
    Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.9P7Rtn (%build)
I: [iurt_root_command] ERROR: chroot