So i have trace a logo using pen tool the problem is the logo has a hole inside that I need it to be transparent. Here is the look of the image [link](http://prntscr.com/5aler8)

now I need to make the white inside the logo transparent but when I change the fill to none the look will be [this](http://prntscr.com/5alfun)

what should I do about this? I just started with Illustrator.