Fix ghc<=7.6
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@ -94,6 +94,7 @@ import Control.Monad.State.Strict (StateT, runStateT)
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import Control.Monad.Trans.Journal (JournalT, runJournalT)
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#ifdef MONADIO_INSTANCES
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import Control.Monad.Trans.Maybe (MaybeT)
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import Control.Monad.Error (Error(..))
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#endif
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import Control.Monad.Journal.Class
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