diff --git a/moto/autoscaling/models.py b/moto/autoscaling/models.py
index 18ec7e35..a2fcb2a6 100644
--- a/moto/autoscaling/models.py
+++ b/moto/autoscaling/models.py
@@ -11,6 +11,7 @@ DEFAULT_COOLDOWN = 300
 
 ASG_NAME_TAG = "aws:autoscaling:groupName"
 
+
 class InstanceState(object):
 
     def __init__(self, instance, lifecycle_state="InService"):