Merge pull request #180 from dan98765/expose_GraphQLEnumValue_in_top_level_init_file

Expose GraphQLEnumValue in top level init file to follow existing convention

Author: syrusakbary

graphql/__init__.py

@@ -38,6 +38,7 @@
     GraphQLInterfaceType,
     GraphQLUnionType,
     GraphQLEnumType,
+    GraphQLEnumValue,
     GraphQLInputObjectType,
     GraphQLList,
     GraphQLNonNull,
@@ -213,6 +214,7 @@
     'graphql',
     'GraphQLBoolean',
     'GraphQLEnumType',
+    'GraphQLEnumValue',
     'GraphQLFloat',
     'GraphQLID',
     'GraphQLInputObjectType',