2019-07-23 17:47:21,092 [INFO] {14792} 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 18:07:54,984 [INFO] {15297} 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/7813/177813/local/work/tasks/7071/177071/python-matplotlib-3.0.3-2.fc31.src.rpm)  Config(f31-build-47963-26963)
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-matplotlib-3.0.3-2.fc31.src.rpm
Start: build setup for python-matplotlib-3.0.3-2.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/7813/177813/local/work/tasks/7071/177071/python-matplotlib-3.0.3-2.fc31.src.rpm) Config(f31-build-47963-26963) 3 minutes 27 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-47963-26963/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-47963-26963/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-47963-26963/root//builddir/build/SRPMS/python-matplotlib-3.0.3-2.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:08 ago on Tue 23 Jul 2019 05:50:00 PM EDT.
Error: 
 Problem: conflicting requests
  - nothing provides python3.7dist(pytest) >= 4.4.0 needed by python3-pytest-xdist-1.29.0-1.fc31.noarch