fix: move stray imports to top of test file (E402)

tests/test_custom_route_class.py

@@ -4,8 +4,9 @@ from fastapi.routing import APIRoute
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 from starlette.routing import Route
+from typing import Any
+from collections.abc import Callable, Sequence
 
-from typing import Any, Callable, Sequence
 app = FastAPI()
 
 
@@ -122,6 +123,8 @@ def test_openapi_schema():
     )
 
 
+
+
 class LegacyAPIRoute(APIRoute):
     """Route subclass with explicit __init__ matching the pre-strict_content_type signature."""
 
@@ -201,3 +204,4 @@ def test_legacy_route_class_with_explicit_init() -> None:
     response = client.get("/items")
     assert response.status_code == 200
     assert response.json() == {"items": []}
+