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-rw-r--r--compiler/GHC/Tc/Utils/TcType.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/Utils/TcType.hs b/compiler/GHC/Tc/Utils/TcType.hs
index 481fa15570..00f6a73532 100644
--- a/compiler/GHC/Tc/Utils/TcType.hs
+++ b/compiler/GHC/Tc/Utils/TcType.hs
@@ -250,7 +250,7 @@ import GHC.Utils.Panic.Plain
import GHC.Utils.Error( Validity'(..) )
import qualified GHC.LanguageExtensions as LangExt
-import Data.IORef
+import Data.IORef ( IORef )
import Data.List.NonEmpty( NonEmpty(..) )
import Data.List ( partition, nub, (\\) )