diff --git a/dj_database_url/__init__.py b/dj_database_url/__init__.py
index 55e72cc..04c3bbf 100644
--- a/dj_database_url/__init__.py
+++ b/dj_database_url/__init__.py
@@ -5,10 +5,10 @@ from typing import Any, Callable, Dict, List, Optional, Union
 
 from typing_extensions import TypedDict
 
-
 DEFAULT_ENV = "DATABASE_URL"
 ENGINE_SCHEMES: Dict[str, "Engine"] = {}
 
+
 # From https://docs.djangoproject.com/en/stable/ref/settings/#databases
 class DBConfig(TypedDict, total=False):
     ATOMIC_REQUESTS: bool