linting fixes

moto/awslambda/models.py

@@ -42,11 +42,10 @@ from .utils import make_function_arn, make_function_ver_arn
 from moto.sqs import sqs_backends
 from moto.dynamodb2 import dynamodb_backends2
 from moto.dynamodbstreams import dynamodbstreams_backends
+from moto.iam.models import ACCOUNT_ID
 
 logger = logging.getLogger(__name__)
 
-from moto.iam.models import ACCOUNT_ID
-
 
 try:
     from tempfile import TemporaryDirectory

moto/ec2/responses/vpc_peering_connections.py

@@ -2,6 +2,7 @@ from __future__ import unicode_literals
 from moto.core.responses import BaseResponse
 from moto.iam.models import ACCOUNT_ID
 
+
 class VPCPeeringConnections(BaseResponse):
     def create_vpc_peering_connection(self):
         peer_region = self._get_param("PeerRegion")

moto/iam/models.py

@@ -45,7 +45,7 @@ from .utils import (
     random_policy_id,
 )
 
-ACCOUNT_ID = '123456789012' #make sure this is a str and not an int
+ACCOUNT_ID = '123456789012'
 
 
 class MFADevice(object):

moto/organizations/utils.py

@@ -2,8 +2,10 @@ from __future__ import unicode_literals
 
 import random
 import string
+from moto.iam.models import ACCOUNT_ID
 
-from moto.iam.models import ACCOUNT_ID as MASTER_ACCOUNT_ID
+
+MASTER_ACCOUNT_ID = ACCOUNT_ID
 MASTER_ACCOUNT_EMAIL = "master@example.com"
 DEFAULT_POLICY_ID = "p-FullAWSAccess"
 ORGANIZATION_ARN_FORMAT = "arn:aws:organizations::{0}:organization/{1}"