diff --git a/tools/yaml_check.py b/tools/yaml_check.py
index f73658d92..ea38b879f 100644
--- a/tools/yaml_check.py
+++ b/tools/yaml_check.py
@@ -1,6 +1,7 @@
-import yaml
-import os
 import json
+import os
+
+import yaml
 
 
 def yaml_reader(filepath):