From 98e10f0db834d2898ed9652f3e052feaea4c2de1 Mon Sep 17 00:00:00 2001
From: Jonathan Kim <jkimbo@gmail.com>
Date: Thu, 27 Feb 2020 20:51:59 +0000
Subject: [PATCH] Replace INVALID with Undefined (#1146)

---
 graphene/types/schema.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/graphene/types/schema.py b/graphene/types/schema.py
index 3249c6f6..79b5315b 100644
--- a/graphene/types/schema.py
+++ b/graphene/types/schema.py
@@ -22,7 +22,7 @@ from graphql import (
     GraphQLObjectType,
     GraphQLSchema,
     GraphQLString,
-    INVALID,
+    Undefined,
 )
 
 from ..utils.str_converters import to_camel_case
@@ -357,7 +357,7 @@ class GrapheneGraphQLSchema(GraphQLSchema):
                         arg_type,
                         out_name=arg_name,
                         description=arg.description,
-                        default_value=INVALID
+                        default_value=Undefined
                         if isinstance(arg.type, NonNull)
                         else arg.default_value,
                     )