Fix 'class has virtual functions but non-virtual destructor' warning
Fix 'class has virtual functions but non-virtual destructor' warning
cawka/pybindgen-old,cawka/pybindgen-old,gjcarneiro/pybindgen,gjcarneiro/pybindgen,gjcarneiro/pybindgen,cawka/pybindgen-old,cawka/pybindgen-old,ftalbrecht/pybindgen,ftalbrecht/pybindgen,gjcarneiro/pybindgen,ftalbrecht/pybindgen,ftalbrecht/pybindgen