jython precompile inner class name

Hi,

I found that there is jythonc program that allow you to precompile your jython script to java class file to have faster load time.

The thing I am curious about is that in my computer, those inner class file that got compiled will have "filename$_PyInner.class" format, while the rest of the world(other forums) keep saying it's in "filename$py.class" format. Is there a parameter controlling how inner class are named? Can we control that even in normal javac for inner class?

Thanks