diff --git a/shortify/app/middlewares/correlation.py b/shortify/app/middlewares/correlation.py
index 434abbf..0e4a79c 100644
--- a/shortify/app/middlewares/correlation.py
+++ b/shortify/app/middlewares/correlation.py
@@ -2,6 +2,7 @@
 Correlation ID middleware implementation inspired from asgi-correlation-id project:
 https://github.com/snok/asgi-correlation-id
 """
+
 import sys
 from contextvars import ContextVar
 from typing import TYPE_CHECKING, Callable, Optional
diff --git a/shortify/app/utils/cbv.py b/shortify/app/utils/cbv.py
index 808061d..0b61dd4 100644
--- a/shortify/app/utils/cbv.py
+++ b/shortify/app/utils/cbv.py
@@ -1,4 +1,5 @@
 """Class-based views, borrowed from fastapi-utils project with a few modifications."""
+
 import inspect
 from typing import Any, Callable, List, Type, TypeVar, Union, get_type_hints