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-rw-r--r--Messages/JSON.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/Messages/JSON.hs b/Messages/JSON.hs
index 2a83da3a7..9f8f31c46 100644
--- a/Messages/JSON.hs
+++ b/Messages/JSON.hs
@@ -24,6 +24,8 @@ import qualified Data.Map as M
import qualified Data.Text as T
import qualified Data.ByteString.Lazy as B
import System.IO
+import Data.Monoid
+import Prelude
import qualified Utility.JSONStream as Stream
import Types.Key