Ah, I get it.  No, it just have to print a path.  This part of code is to just to specify a path for `PYTHONSTARTUP`  http://docs.python.org/2/using/cmdline.html#envvar-PYTHONSTARTUP

So, there is actually two Python processes involving in.  One is to print the path for PYTHONSTARTUP (i.e., the one runs `jedi.__main__`).  The other one is the REPL and this is where actually jedi is needed (jedi.replstartup properly setups jedi for REPL).