Roku Developer Program

[mape]

    print "onSetSponsorLogo 1"
    Sleep(2000)
    print "onSetSponsorLogo 2"

Above is the code. 
Both "prints" outputs immediately, no pause. Why?
The code invoked in my own component, in field change handling (via 'observeField').

[EnTerr]

I am fairly certain this is intentional - but surprised there is no runtime error.
In no event should the render thread be delayed (think hot potato).