diff --git a/aana/models/pydantic/video_input.py b/aana/models/pydantic/video_input.py
index 14f43d93..2a5ee1cf 100644
--- a/aana/models/pydantic/video_input.py
+++ b/aana/models/pydantic/video_input.py
@@ -35,7 +35,11 @@ class VideoInput(BaseModel):
     """
 
     path: str | None = Field(None, description="The file path of the video.")
-    url : Annotated[AnyUrl | None , AfterValidator(lambda x: str(x) if x else None), Field(None, description="The URL of the video (supports YouTube videos).")]
+    url: Annotated[
+        AnyUrl | None,
+        AfterValidator(lambda x: str(x) if x else None),
+        Field(None, description="The URL of the video (supports YouTube videos)."),
+    ]
     content: bytes | None = Field(
         None,
         description=(