On Tue, 2018-01-02 at 06:25 -0700, Brad Bell wrote:
No such file or directory: '/usr/bin/yum-builddep'
rpm -qf /usr/bin/yum-builddep yum-utils-1.1.31-512.fc26.noarch
seems you need yum-utils or in /etc/mock/site-defaults.cfg use :
config_opts['package_manager'] = 'dnf'
Cheers,