From fb1aeb5739827dc680250577987a2b79dfe0a202 Mon Sep 17 00:00:00 2001
From: Lennart Spitzner <lsp@informatik.uni-kiel.de>
Date: Fri, 12 Aug 2016 14:25:09 +0200
Subject: [PATCH] Fix error printing to stdout->stderr

---
 src/Language/Haskell/Brittany/Config.hs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Language/Haskell/Brittany/Config.hs b/src/Language/Haskell/Brittany/Config.hs
index 8f96840..8426bfb 100644
--- a/src/Language/Haskell/Brittany/Config.hs
+++ b/src/Language/Haskell/Brittany/Config.hs
@@ -166,9 +166,9 @@ readMergePersConfig path shouldCreate conf = do
         fileConf <- case Data.Yaml.decodeEither contents of
           Left e -> do
             liftIO
-              $ putStrLn
+              $ putStrErrLn
               $ "error reading in brittany config from " ++ path ++ ":"
-            liftIO $ putStrLn e
+            liftIO $ putStrErrLn e
             mzero
           Right x -> return x
         return $ fileConf Semigroup.<> conf