Check if python3.2 exists, and skip the use of it if not.
Check if python3.2 exists, and skip the use of it if not.

Otherwise the test fail rather silently.

tempbottle/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,wfxiang08/Nuitka