From 00d370b2282196af34f269cd4f63b7e365dcc221 Mon Sep 17 00:00:00 2001
From: Dan Palmer <dan@danpalmer.me>
Date: Sat, 8 Sep 2018 17:20:39 +0100
Subject: [PATCH] Expose documentation for Union types

---
 graphene/types/typemap.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/graphene/types/typemap.py b/graphene/types/typemap.py
index dce04445..9edb8518 100644
--- a/graphene/types/typemap.py
+++ b/graphene/types/typemap.py
@@ -255,6 +255,7 @@ class TypeMap(GraphQLTypeMap):
         return GrapheneUnionType(
             graphene_type=type,
             name=type._meta.name,
+            description=type._meta.description,
             types=types,
             resolve_type=_resolve_type,
         )