Fix an error seen with python2.5: interp_error > 0 but no Python exception set
Fix an error seen with python2.5: interp_error > 0 but no Python exception set

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