[STACK LTS] upgrade.

src/Isidore.hs

@@ -34,16 +34,16 @@ type TextQuery  = Text
 type AuthorQuery = Text
 
 
-getMetadataWith :: Text -> Maybe Int -> IO (Either ServantError Content)
+getMetadataWith :: Text -> Maybe Int -> IO (Either ClientError Content)
 getMetadataWith q l = get l (Just q) Nothing
 
-getMetadataWithAuthor :: Text -> Maybe Int -> IO (Either ServantError Content)
+getMetadataWithAuthor :: Text -> Maybe Int -> IO (Either ClientError Content)
 getMetadataWithAuthor q l = get l Nothing (Just q)
 
 get :: Maybe Limit
      -> Maybe TextQuery
      -> Maybe AuthorQuery
-     -> IO (Either ServantError Content)
+     -> IO (Either ClientError Content)
 get n q a = do
   manager' <- newManager tlsManagerSettings
   runClientM (clientIsidore n q a)

stack.yaml

@@ -18,7 +18,7 @@
 #
 # resolver: ./custom-snapshot.yaml
 # resolver: https://example.com/snapshots/2018-01-01.yaml
-resolver: lts-13.25
+resolver: lts-14.1
 
 # User packages to be built.
 # Various formats can be used as shown in the example below.