I should take another crack at installing python-mode for vim. Last time I did, I spent an hour at it and it ended up taking 10s to register any entered text. I

I should take another crack at installing python-mode for vim. Last time I did, I spent an hour at it and it ended up taking 10s to register any entered text. I didn't know how to debug stick a debugger or logger into vim plugins, so I just gave up. Sometime when I have more patience, I'll give it another try and maybe produce an actual bug report. Anyone happen to know a good way to debug vimscript?