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-rw-r--r--src/Output.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Output.hs b/src/Output.hs
index 7f9341b..96bb965 100644
--- a/src/Output.hs
+++ b/src/Output.hs
@@ -8,6 +8,7 @@ module Output (
) where
import Control.Concurrent.MVar
+import Control.Monad
import Control.Monad.IO.Class
import Control.Monad.Reader