Fix build

This commit is contained in:
Gregor Kleen 2019-04-24 16:49:52 +02:00
parent 816ce0595e
commit dc44804310

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@ -16,6 +16,7 @@ import Data.Universe
import qualified Data.Text as Text import qualified Data.Text as Text
import qualified Data.Char as Char import qualified Data.Char as Char
import Data.Map ((!), (!?))
import qualified Data.Map as Map import qualified Data.Map as Map
import Numeric.Natural import Numeric.Natural