contrib: update clients of `to_json_string`

[nit.git] / contrib / tnitter / src / action.nit

diff --git a/contrib/tnitter/src/action.nit b/contrib/tnitter/src/action.nit
index ad41a71..60ee384 100644 (file)
--- a/contrib/tnitter/src/action.nit
+++ b/contrib/tnitter/src/action.nit
@@ -266,14 +266,14 @@ class TnitterREST
                        db.close
 
                        var response = new HttpResponse(200)
-                       response.body = posts.to_json_string
+                       response.body = posts.serialize_to_json
                        return response
                end
 
                # Format not recognized
                var error = new Error("Bad Request")
                var response = new HttpResponse(400)
-               response.body = error.to_json_string
+               response.body = error.serialize_to_json
                return response
        end
 end