Improved code lint

graphene/relay/node.py

@@ -4,11 +4,11 @@ import six
 
 from graphql_relay import from_global_id, node_definitions, to_global_id
 
-from .connection import Connection
 from ..types.field import Field
 from ..types.interface import Interface
-from ..types.objecttype import ObjectTypeMeta, ObjectType
+from ..types.objecttype import ObjectType, ObjectTypeMeta
 from ..types.options import Options
+from .connection import Connection
 
 
 class NodeMeta(ObjectTypeMeta):

graphene/relay/tests/test_node.py

@@ -4,8 +4,8 @@ from graphql_relay import to_global_id
 
 from ...types import ObjectType, Schema
 from ...types.scalars import String
-from ..node import Node
 from ..connection import Connection
+from ..node import Node
 
 
 class MyNode(Node, ObjectType):

graphene/types/objecttype.py

@@ -1,4 +1,3 @@
-import copy
 
 import six
 

graphene/types/structures.py

@@ -10,6 +10,7 @@ class Structure(UnmountedType):
     A structure is a GraphQL type instance that
     wraps a main type with certain structure.
     '''
+
     def __init__(self, of_type, *args, **kwargs):
         super(Structure, self).__init__(*args, **kwargs)
         self.of_type = of_type

graphene/types/tests/test_scalars.py

@@ -1,8 +1,10 @@
 import datetime
+
 import pytest
 
 from graphene.utils.get_graphql_type import get_graphql_type
-from graphql import GraphQLBoolean, GraphQLFloat, GraphQLInt, GraphQLString, GraphQLScalarType, graphql
+from graphql import (GraphQLBoolean, GraphQLFloat, GraphQLInt,
+                     GraphQLScalarType, GraphQLString, graphql)
 from graphql.language import ast
 
 from ..field import Field
@@ -12,6 +14,7 @@ from ..schema import Schema
 
 
 class DatetimeScalar(Scalar):
+
     class Meta:
         name = 'DateTime'
 
@@ -53,6 +56,7 @@ GraphQLDateTimeType = GraphQLScalarType(
 
 
 class DatetimeScalarGraphQL(Scalar):
+
     class Meta:
         graphql_type = GraphQLDateTimeType
 

graphene/utils/copy_fields.py

@@ -1,4 +1,5 @@
 from collections import OrderedDict
+
 from ..types.field import Field, InputField