@@ -19,7 +19,7 @@ import System.IO
1919
2020import Control.Applicative
2121import Control.Monad.State
22−import Control.Monad.Error(throwError)
22+import Control.Monad.Except (throwError, catchError)
2323
2424import Data.List hiding (insert,union)
2525import Data.Char
@@ -32,7 +32,6 @@ import Data.Word (Word)
3232
3333import Debug.Trace
3434
35−import Control.Monad.Error (throwError, catchError)
3635import System.IO.Error(isUserError, ioeGetErrorString, tryIOError)
3736
3837import Util.Pretty