File "/srv/reimzul/results/c7-devtoolset-9.ppc64/devtoolset-9/20200210162659/9.0-3.el7.ppc/mock.cfg", line 3, in <module>
    config_opts['legal_host_arches'] = ('ppc','ppc64',noarch)

NameError: name 'noarch' is not defined

ERROR: Error in configuration