https://bugzilla.redhat.com/show_bug.cgi?id=1747737
--- Comment #7 from Edouard Bourguignon madko@linuxed.net --- same here if wine is installed can't upgrade without error:
LANG=C dnf --version 4.2.7 Installed: dnf-0:4.2.7-2.fc30.noarch at Sat Aug 24 12:35:09 2019 Built : Fedora Project at Tue Jul 23 07:10:30 2019
Installed: rpm-0:4.14.2.1-5.fc30.x86_64 at Sun Sep 1 09:32:22 2019 Built : Fedora Project at Thu Aug 29 10:46:16 2019