diff --git a/fastapi/encoders.py b/fastapi/encoders.py
index 7e117636b..6ba5c2152 100644
--- a/fastapi/encoders.py
+++ b/fastapi/encoders.py
@@ -28,6 +28,7 @@ from annotated_doc import Doc
 from fastapi.exceptions import PydanticV1NotSupportedError
 from fastapi.types import IncEx
 from pydantic import BaseModel
+
 try:
     from pydantic_extra_types.color import Color
 except ImportError: