Part of #27065
Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
* Move some files into models' sub packages * Move functions * merge main branch * Fix check * fix check * Fix some tests * Fix lint * Fix lint * Revert lint changes * Fix error comments * Fix lint Co-authored-by: 6543 <6543@obermui.de>