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-rw-r--r--app/UnsetEnv.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/app/UnsetEnv.hs b/app/UnsetEnv.hs
index b841f86..5ab28d5 100644
--- a/app/UnsetEnv.hs
+++ b/app/UnsetEnv.hs
@@ -9,6 +9,7 @@ module Main (main) where
import Control.Monad (void)
import Control.Monad.Trans.Except (runExceptT)
+import Data.Monoid ((<>))
import System.IO.Error (ioError)
import Options.Applicative