diff --git a/moto/apigateway/models.py b/moto/apigateway/models.py
index f0a4ffccf..6f7fc97a9 100644
--- a/moto/apigateway/models.py
+++ b/moto/apigateway/models.py
@@ -343,6 +343,7 @@ class UsagePlan(BaseModel, dict):
         self['quota'] = quota
         self['tags'] = tags
 
+
 class UsagePlanKey(BaseModel, dict):
 
     def __init__(self, id, type, name, value):