Remove default "Python" submenu with Tkinter Menu on Mac OSX
The only way I've been able to rename the first Menu title is to compile the python to an application. I did this using py2app.
I have an example app you can see here:
https://bitbucket.org/jgrigonis/mathfacts/overview
The key code is in this file:
https://bitbucket.org/jgrigonis/mathfacts/src/b994b6225743/setupmac.py