@@ -39,7 +39,7 @@ import Control.Exception (catch, try)
39import Control.Monad.Trans.Maybe (MaybeT(..), runMaybeT)
39import Control.Monad.Trans.Maybe (MaybeT(..), runMaybeT)
40import Control.Monad.Trans.Except
40import Control.Monad.Trans.Except
41import Control.Monad.Error.Class (MonadError(..))
41import Control.Monad.Error.Class (MonadError(..))
42−import Control.Monad.Writer
42+import Control.Monad.Writer.Strict
44import System.Directory (doesFileExist, findExecutable)
44import System.Directory (doesFileExist, findExecutable)
45import System.Process (readProcess)
45import System.Process (readProcess)