Uniformize codestyle locally

Blaisorblade · Blaisorblade · commit b3afe3702aab · 2016-08-14T12:23:00.000+02:00
diff --git a/src/Stack/Types/StackT.hs b/src/Stack/Types/StackT.hs
@@ -88,7 +88,7 @@ instance MonadTransControl (StackT config) where
     restoreT = defaultRestoreT StackT
 
 -- | Takes the configured log level into account.
-instance (MonadIO m) => MonadLogger (StackT config m) where
+instance MonadIO m => MonadLogger (StackT config m) where
     monadLoggerLog = stickyLoggerFunc
 
 instance MonadIO m => MonadLoggerIO (StackT config m) where
