[Haskell-cafe] Occurs check error, help!

[boblettoj]

Oh yeh, how silly.
How do i create a generator to use in that function call then?
i've tried using a do like this:

shuffle i cards = do 
	gen <- mkStdGen 10
	return ([(cards!!i) : (shuffle (randomR (0, ((length cards)-2)) gen)
	(delete (cards!!i) cards))])

but that gives me an error about indentation, what's going on?
thanks
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