diff --git a/graphene/contrib/django/__init__.py b/graphene/contrib/django/__init__.py
index e54dba73..ca89906a 100644
--- a/graphene/contrib/django/__init__.py
+++ b/graphene/contrib/django/__init__.py
@@ -7,3 +7,6 @@ from graphene.contrib.django.fields import (
     DjangoConnectionField,
     DjangoModelField
 )
+
+__all__ = ['DjangoObjectType', 'DjangoInterface', 'DjangoNode',
+           'DjangoConnectionField', 'DjangoModelField']
diff --git a/graphene/contrib/django/options.py b/graphene/contrib/django/options.py
index 5aff6007..76d72180 100644
--- a/graphene/contrib/django/options.py
+++ b/graphene/contrib/django/options.py
@@ -2,7 +2,6 @@ import inspect
 from django.db import models
 
 from graphene.core.options import Options
-from graphene.core.types import BaseObjectType
 from graphene.relay.utils import is_node
 from graphene.relay.types import Node
 
diff --git a/graphene/relay/__init__.py b/graphene/relay/__init__.py
index e1bbc770..49117bd8 100644
--- a/graphene/relay/__init__.py
+++ b/graphene/relay/__init__.py
@@ -5,10 +5,13 @@ from graphene.relay.fields import (
 )
 
 from graphene.relay.types import (
-	Node,
-	PageInfo,
-	Edge,
-	Connection
+    Node,
+    PageInfo,
+    Edge,
+    Connection
 )
 
 from graphene.relay.utils import is_node
+
+__all__ = ['ConnectionField', 'NodeField', 'GlobalIDField', 'Node',
+           'PageInfo', 'Edge', 'Connection', 'is_node']