@@ -30,6 +30,7 @@ import Control.Lens hiding ((.=))
3030import Control.Monad.Base
3131import Control.Monad.Catch
3232import Control.Monad.Except
33+import Control.Monad.Fail
3334import Control.Monad.State.Strict
3435import Control.Monad.Trans.Control
3536import Data.Aeson
@@ -41,7 +42,7 @@ import Data.Text as T
4142import Data.Vector as V
4243import Test.QuickCheck
4344
44−#if MIN_VERSION_base(4,18,0)
45+#if MIN_VERSION_mtl(2,3,0)
4546import Control.Monad
4647import Control.Monad.Fix
4748#endif