T13640.hs:13:22: error: [GHC-88464]
    Variable not in scope:
      (.)
        :: (f0 a c0 -> f0 b c0)
           -> ((a0 -> b0) -> f1 a0 -> f1 b0) -> f a c -> f b d
    Suggested fix:
      Remove ‘.’ from the explicit hiding list in the import of ‘Prelude’
      (at T13640.hs:4:1-27).