https://lists.debian.org/debian-tex-maint/2017/10/msg00027.html
Bug#877682: pstricks problem
bugproblem
https://lists.debian.org/debian-tex-maint/2017/10/msg00020.html
Bug#877682: texlive-pstricks: Undefined control sequence \@
bugtexliveundefinedcontrolsequence