I just now installed python 3.3.4 on my mac os 10.9.1 mavericks. I am developing through the Wing IDE for mac. When i tried to change the python excutable from default to python 3.3.4 and restarted the program, a dialog box appeared thta said that the interpreter for python 3.3 might not exist. What is that supposed to mean? I checked the idle for python version and it says the version is 3.3, but when I run python in terminal, it shows python 2.7.6 only. How is that possible? Please help.