[1 of 1] Compiling Options.Applicative.Simple ( src/Options/Applicative/Simple.hs, dist/build/Options/Applicative/Simple.dyn_o )

src/Options/Applicative/Simple.hs:42:1: error:
    Could not find module ‘Control.Monad.Trans.Either’
    Perhaps you meant
      Control.Monad.Trans.Writer (from transformers-0.5.2.0)
      Control.Monad.Trans.Error (from transformers-0.5.2.0)
      Control.Monad.Trans.Reader (from transformers-0.5.2.0)
    Use -v to see a list of the files searched for.
   |
42 | import           Control.Monad.Trans.Either
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^