fix signature consistency

1 month ago · 3fab577dc1
1 changed files with 1 additions and 1 deletions
--- a/fastapi/applications.py
+++ b/fastapi/applications.py
@ -141,7 +141,7 @@ class FastAPI(Starlette):
            ),
        ] = None,
        description: Annotated[
-            str,
+            Optional[str],
            Doc(
                '''
                A description of the API. Supports Markdown (using