import GHC.Base ( Int, Monad(..), (.), not )
import GHC.Err ( undefined )
import GHC.Exception ( throw )
-import GHC.IOBase ( IO, IORef, newIORef, readIORef, writeIORef,
- block, unblock, catchAny )
+import GHC.IO ( IO, block, unblock, catchAny )
+import GHC.IORef ( IORef, newIORef, readIORef, writeIORef )
import GHC.List ( elem, length )
import GHC.Num ( Num(..) )
#else