2019-07-23 14:20:38,883 [INFO] {2307} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
Start: run
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.14
INFO: Mock Version: 1.4.14
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-23 14:47:29,204 [INFO] {3349} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/6042/176042/local/work/tasks/5784/175784/python-slixmpp-1.4.0-2.fc31.src.rpm)  Config(f31-build-47367-26821)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.14
INFO: Mock Version: 1.4.14
Finish: chroot init
Start: build phase for python-slixmpp-1.4.0-2.fc31.src.rpm
Start: build setup for python-slixmpp-1.4.0-2.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/6042/176042/local/work/tasks/5784/175784/python-slixmpp-1.4.0-2.fc31.src.rpm) Config(f31-build-47367-26821) 1 minutes 36 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-47367-26821/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-47367-26821/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-47367-26821/root//builddir/build/SRPMS/python-slixmpp-1.4.0-2.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:08 ago on Tue 23 Jul 2019 02:23:15 PM EDT.
Error: 
 Problem: conflicting requests
  - nothing provides python2-imagesize needed by python2-sphinx-1:1.7.6-2.fc30.noarch