diff --git a/logging_json/json_log.py b/logging_json/json_log.py
index f9e60fa..2a2fedf 100644
--- a/logging_json/json_log.py
+++ b/logging_json/json_log.py
@@ -35,7 +35,9 @@ class OdooJsonFormatter(JsonFormatter):
 
 
 if is_true(os.environ.get("ODOO_LOGGING_JSON")):
-    formatted_message = "%(asctime)s %(pid)s %(levelname)s %(dbname)s %(name)s: %(message)s"
+    formatted_message = (
+        "%(asctime)s %(pid)s %(levelname)s %(dbname)s %(name)s: %(message)s"
+    )
     formatter = OdooJsonFormatter(formatted_message)
 
     if is_true(os.environ.get("ODOO_LOGGING_JSON_STDERR")):