The License: tag of the packages says "BSD and MIT", which is fine. However, the spaces between the words are not ASCII spaces (U+0020), but rather, Unicode spaces - No-Break Spaces (U+00A0), to be precise. This can fool automatic tools trying to parse the text.
golang-github-flynn-json5-0-0.2.20180314git7620272.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-046266daf7
golang-github-flynn-json5-0-0.2.20180314git7620272.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.