Wrong license
Apparently, the license of this software is not GPL: https://github.com/frogatto/frogatto/blob/master/LICENSE
While some parts are licensed under CC-BY-3.0, many data files are copyrighted. I think we need an explicit permission from the developers to distribute this software. If we have the permission, the license should be license=('CC-BY-3.0 AND LicenseRef-proprietary')
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Edited by Balló György