@@ -41,7 +41,7 @@ import Data.Text as T
41import Data.Vector as V
41import Data.Vector as V
42import Test.QuickCheck
42import Test.QuickCheck
44−#if MIN_VERSION_base(4,18,0)
44+#if MIN_VERSION_mtl(2,3,0)
45import Control.Monad
45import Control.Monad
46import Control.Monad.Fix
46import Control.Monad.Fix