fix a regression in virtual methods
fix a regression in virtual methods
ftalbrecht/pybindgen,gjcarneiro/pybindgen,cawka/pybindgen-old,ftalbrecht/pybindgen,gjcarneiro/pybindgen,cawka/pybindgen-old,gjcarneiro/pybindgen,gjcarneiro/pybindgen,ftalbrecht/pybindgen,cawka/pybindgen-old,ftalbrecht/pybindgen,cawka/pybindgen-old