Created attachment 1443326 [details] build.log from copr dnf fails tests on Python 3.7. Notable problem is: AttributeError: module 'os' has no attribute 'errno' I've done some checks and youc an just import errno directly, not from os, to check xxx == errno.EEXIST. Version-Release number: 2.7.5-15.fc29 Logs attached.
As a cross reference: https://bugs.python.org/issue33666
Created attachment 1443330 [details] root.log from copr
This has been fixed upstream in https://github.com/rpm-software-management/dnf/pull/1030
Fixed in dnf-2.7.5-16.fc29
Created attachment 1491868 [details] tree.py for creating tree