Minor fixes.

ipython-kernel/src/IHaskell/IPython/EasyKernel.hs

@@ -178,7 +178,7 @@ replyTo config _ _ CommInfoRequest{} replyHeader =
   return
     CommInfoReply
       { header = replyHeader
-      , commInfo = mempty }
+      , commInfo = Map.empty }
 
 replyTo config _ interface ShutdownRequest { restartPending = pending } replyHeader = do
   liftIO $ writeChan (shellReplyChannel interface) $ ShutdownReply replyHeader pending

ipython-kernel/src/IHaskell/IPython/Types.hs

@@ -299,6 +299,7 @@ data Message =
                  , implementation :: String -- ^ e.g. IHaskell
                  , implementationVersion :: String -- ^ The version of the implementation
                  , languageInfo :: LanguageInfo
+                 }
              |
              -- | A request from a frontend for information about the comms.
                CommInfoRequest { header :: MessageHeader }