D: [iurt_root_command] chroot
Building target platforms: x86_64
Building for target x86_64
sh: line 4: [: -j8: integer expression expected
Installing /home/pterjan/rpmbuild/SRPMS/texmacs-2.1.2-1.mga10.src.rpm
Executing(%mkbuilddir): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.nc52bE
sh: line 4: [: -j8: integer expression expected
Executing(%prep): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.dCRH4s
+ umask 022
+ cd /home/pterjan/rpmbuild/BUILD/texmacs-2.1.2-build
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ cd /home/pterjan/rpmbuild/BUILD/texmacs-2.1.2-build
+ rm -rf TeXmacs-2.1.2-src
+ /usr/lib/rpm/rpmuncompress -x /home/pterjan/rpmbuild/SOURCES/TeXmacs-2.1.2-src.tar.gz
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd TeXmacs-2.1.2-src
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ /usr/lib/rpm/rpmuncompress /home/pterjan/rpmbuild/SOURCES/0001-Guile-3-imported-from-mgubi-texmacs.patch
+ /usr/bin/patch -p1 -s --fuzz=0 --no-backup-if-mismatch -f
+ /usr/lib/rpm/rpmuncompress /home/pterjan/rpmbuild/SOURCES/0002-Fix-module-deps-for-tm-print.patch
+ /usr/bin/patch -p1 -s --fuzz=0 --no-backup-if-mismatch -f
+ /usr/lib/rpm/rpmuncompress /home/pterjan/rpmbuild/SOURCES/0004-Fix-import-issue-for-auto-tmfs.patch
+ /usr/bin/patch -p1 -s --fuzz=0 --no-backup-if-mismatch -f
+ /usr/lib/rpm/rpmuncompress /home/pterjan/rpmbuild/SOURCES/tm1.99.6-Wimplicit-fallthrough.patch
+ /usr/bin/patch -p1 -s --fuzz=0 --no-backup-if-mismatch -f
+ /usr/lib/rpm/rpmuncompress /home/pterjan/rpmbuild/SOURCES/texmacs-2.1-mga-fix-install-path.patch
+ /usr/bin/patch -p1 -s --fuzz=0 --no-backup-if-mismatch -f
+ 2to3 --write --nobackups plugins
/home/pterjan/rpmbuild/tmp/rpm-tmp.dCRH4s: line 71: 2to3: command not found
error: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.dCRH4s (%prep)

RPM build errors:
    Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.dCRH4s (%prep)
I: [iurt_root_command] ERROR: chroot