c++/cpython: fixed ispyinstance casts to native c++ type.
c++/cpython: fixed ispyinstance casts to native c++ type.

secureosv/pythia,kustomzone/Rusthon,pombredanne/Rusthon,kustomzone/Rusthon,rootfs/Rusthon,rootfs/Rusthon,pombredanne/Rusthon,tempbottle/Rusthon,secureosv/pythia,tempbottle/Rusthon,pombredanne/Rusthon,rootfs/Rusthon,rusthon/Rusthon,kustomzone/Rusthon,secureosv/pythia,kustomzone/Rusthon,rusthon/Rusthon,rootfs/Rusthon,rootfs/Rusthon,rusthon/Rusthon,tempbottle/Rusthon,tempbottle/Rusthon,pombredanne/Rusthon,rusthon/Rusthon,tempbottle/Rusthon,kustomzone/Rusthon,secureosv/pythia,secureosv/pythia,rusthon/Rusthon,pombredanne/Rusthon