diff --git a/moto/dynamodb/models.py b/moto/dynamodb/models.py
index bb7b9d49a..46199e625 100644
--- a/moto/dynamodb/models.py
+++ b/moto/dynamodb/models.py
@@ -1,11 +1,12 @@
 from moto.core import BaseBackend
 
+
 class DynamoDBBackend(BaseBackend):
-    
+
     def __init__(self):
         self.tables = {}
 
     def create_table(self, name):
         self.tables[name] = None
 
-dynamodb_backend = DynamoDBBackend()
\ No newline at end of file
+dynamodb_backend = DynamoDBBackend()
diff --git a/moto/dynamodb/responses.py b/moto/dynamodb/responses.py
index 980312519..9fc616741 100644
--- a/moto/dynamodb/responses.py
+++ b/moto/dynamodb/responses.py
@@ -2,8 +2,9 @@ import re
 import json
 from .models import dynamodb_backend
 
+
 class DynamoHandler(object):
-    
+
     def __init__(self, uri, body, headers):
         self.uri = uri
         self.body = body
@@ -26,7 +27,7 @@ class DynamoHandler(object):
         tables = dynamodb_backend.tables.keys()
         response = {"TableNames": tables}
         return json.dumps(response)
-    
+
 
 def handler(uri, body, headers):
-    return DynamoHandler(uri, body, headers).dispatch()
\ No newline at end of file
+    return DynamoHandler(uri, body, headers).dispatch()