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-rw-r--r--lib/Hakyll/Core/Rules/Internal.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Hakyll/Core/Rules/Internal.hs b/lib/Hakyll/Core/Rules/Internal.hs
index 2617798..8c3c011 100644
--- a/lib/Hakyll/Core/Rules/Internal.hs
+++ b/lib/Hakyll/Core/Rules/Internal.hs
@@ -13,6 +13,7 @@ module Hakyll.Core.Rules.Internal
--------------------------------------------------------------------------------
+import Control.Monad.Fail (MonadFail)
import Control.Monad.Reader (ask)
import Control.Monad.RWS (RWST, runRWST)
import Control.Monad.Trans (liftIO)