diff --git a/awscli/customizations/cloudformation/deployer.py b/awscli/customizations/cloudformation/deployer.py
index 86c6edea849f..03026d25a0ea 100644
--- a/awscli/customizations/cloudformation/deployer.py
+++ b/awscli/customizations/cloudformation/deployer.py
@@ -132,7 +132,7 @@ def wait_for_changeset(self, changeset_id, stack_name):
         # Wait for changeset to be created
         waiter = self._client.get_waiter("change_set_create_complete")
         # Poll every 5 seconds. Changeset creation should be fast
-        waiter_config = { 'Delay': 5 }
+        waiter_config = {'Delay': 5}
         try:
             waiter.wait(ChangeSetName=changeset_id, StackName=stack_name,
                         WaiterConfig=waiter_config)