The TCP wrappers are removed from Fedora 28 services and there is no need to install them (See Fedora Change [1]).
Additionally, I tried to fork this repo to submit a PR, but it did not work. But that probably applies for an issue elsewhere.
[1] https://fedoraproject.org/wiki/Changes/Deprecate_TCP_wrappers
Should be fixed by 21cbc8f .
Metadata Update from @adamwill: - Issue close_status updated to: Fixed - Issue status updated to: Closed (was: Open)
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