diff --git a/moto/elbv2/models.py b/moto/elbv2/models.py
index a612ba93a..c565aa062 100644
--- a/moto/elbv2/models.py
+++ b/moto/elbv2/models.py
@@ -281,6 +281,7 @@ class FakeLoadBalancer(BaseModel):
         }
         return attributes[attribute_name]
 
+
 class ELBv2Backend(BaseBackend):
 
     def __init__(self, region_name=None):