fix error that prevented the preview from being shown: 'TypeError: tool_offset() takes exactly 3 arguments (4 given)'
fix error that prevented the preview from being shown: 'TypeError: tool_offset() takes exactly 3 arguments (4 given)'

mhaberler/machinekit,unseenlaser/linuxcnc,ianmcmahon/linuxcnc-mirror,araisrobo/machinekit,RunningLight/machinekit,strahlex/machinekit,mhaberler/machinekit,unseenlaser/machinekit,aschiffler/linuxcnc,cnc-club/linuxcnc,kinsamanka/machinekit,araisrobo/linuxcnc,bmwiedemann/linuxcnc-mirror,ArcEye/machinekit-testing,cnc-club/linuxcnc,cnc-club/linuxcnc,cdsteinkuehler/MachineKit,ianmcmahon/linuxcnc-mirror,unseenlaser/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,ianmcmahon/linuxcnc-mirror,ArcEye/machinekit-testing,cdsteinkuehler/MachineKit,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,ArcEye/MK-Qt5,araisrobo/machinekit,araisrobo/linuxcnc,cnc-club/linuxcnc,mhaberler/machinekit,RunningLight/machinekit,unseenlaser/machinekit,mhaberler/machinekit,strahlex/machinekit,ArcEye/machinekit-testing,EqAfrica/machinekit,strahlex/machinekit,ArcEye/MK-Qt5,Cid427/machinekit,bobvanderlinden/machinekit,ArcEye/machinekit-testing,Cid427/machinekit,ikcalB/linuxcnc-mirror,EqAfrica/machinekit,RunningLight/machinekit,jaguarcat79/ILC-with-LinuxCNC,aschiffler/linuxcnc,bmwiedemann/linuxcnc-mirror,araisrobo/linuxcnc,araisrobo/machinekit,RunningLight/machinekit,mhaberler/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,aschiffler/linuxcnc,unseenlaser/linuxcnc,mhaberler/machinekit,bobvanderlinden/machinekit,araisrobo/machinekit,aschiffler/linuxcnc,bobvanderlinden/machinekit,cdsteinkuehler/MachineKit,ikcalB/linuxcnc-mirror,bobvanderlinden/machinekit,ArcEye/MK-Qt5,cnc-club/linuxcnc,strahlex/machinekit,kinsamanka/machinekit,kinsamanka/machinekit,cdsteinkuehler/linuxcnc,cdsteinkuehler/MachineKit,cdsteinkuehler/linuxcnc,bmwiedemann/linuxcnc-mirror,jaguarcat79/ILC-with-LinuxCNC,narogon/linuxcnc,araisrobo/machinekit,ArcEye/machinekit-testing,yishinli/emc2,cdsteinkuehler/linuxcnc,ArcEye/MK-Qt5,cdsteinkuehler/MachineKit,EqAfrica/machinekit,RunningLight/machinekit,unseenlaser/linuxcnc,RunningLight/machinekit,cnc-club/linuxcnc,araisrobo/machinekit,ikcalB/linuxcnc-mirror,araisrobo/machinekit,araisrobo/machinekit,Cid427/machinekit,narogon/linuxcnc,ikcalB/linuxcnc-mirror,EqAfrica/machinekit,cdsteinkuehler/MachineKit,mhaberler/machinekit,Cid427/machinekit,cnc-club/linuxcnc,araisrobo/machinekit,mhaberler/machinekit,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,kinsamanka/machinekit,EqAfrica/machinekit,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/linuxcnc,ArcEye/machinekit-testing,unseenlaser/linuxcnc,kinsamanka/machinekit,Cid427/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,cdsteinkuehler/linuxcnc,ikcalB/linuxcnc-mirror,strahlex/machinekit,ArcEye/machinekit-testing,Cid427/machinekit,ianmcmahon/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,unseenlaser/machinekit,RunningLight/machinekit,narogon/linuxcnc,narogon/linuxcnc,EqAfrica/machinekit,ArcEye/MK-Qt5,unseenlaser/machinekit,EqAfrica/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,bobvanderlinden/machinekit,yishinli/emc2,EqAfrica/machinekit,unseenlaser/machinekit,araisrobo/linuxcnc,yishinli/emc2,jaguarcat79/ILC-with-LinuxCNC,RunningLight/machinekit,unseenlaser/machinekit,kinsamanka/machinekit,Cid427/machinekit,aschiffler/linuxcnc,strahlex/machinekit,bmwiedemann/linuxcnc-mirror,araisrobo/linuxcnc,kinsamanka/machinekit,strahlex/machinekit,narogon/linuxcnc,Cid427/machinekit,yishinli/emc2,ArcEye/machinekit-testing,kinsamanka/machinekit,bobvanderlinden/machinekit