Redundant import.

cabal-install/Distribution/Client/Sandbox.hs

@@ -104,7 +104,7 @@ import Data.Bits                              ( shiftL, shiftR, xor )
 import Data.Char                              ( ord )
 import Data.IORef                             ( newIORef, writeIORef, readIORef )
 import Data.List                              ( delete, foldl' )
-import Data.Maybe                             ( fromJust, fromMaybe )
+import Data.Maybe                             ( fromJust )
 #if !MIN_VERSION_base(4,8,0)
 import Data.Monoid                            ( mempty, mappend )
 #endif