- fixed most important code after checking with flake8 - ignored code which has to be reworked or removed + mark unused code with 'TODO: remove ...' Change-Id: Ic45e541049e391e2853d29cd64bb0963bd9a2125 Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/25053 Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de> Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>