chore: fix ruff problem

Author: minto1226

api/accent_marker.py

@@ -14,7 +14,7 @@
 from pydantic import BaseModel, Field
 
 from api.dependencies import get_http_client
-from api.furigana_marker import Request, SingleWordResultObject, mark_furigana_service
+from api.furigana_marker import FastAPIInternalRequest, SingleWordResultObject, mark_furigana_service
 
 logger = logging.getLogger(__name__)
 
@@ -255,7 +255,7 @@ async def get_ojad_result(
 
 @router.post("/MarkAccent/", tags=["MarkAccent"], response_model=Response)
 async def mark_accent(
-    request: Request, client: httpx.AsyncClient = Depends(get_http_client)
+    request: FastAPIInternalRequest, client: httpx.AsyncClient = Depends(get_http_client)
 ) -> dict[str, Any]:
     """Receive POST request, return a JSON response"""
     logger.info(f"[API] Received Request Text: {request.text}")

api/furigana_marker.py

@@ -1,7 +1,7 @@
 """
 An API that mark furigana of given query text
 """
-
+import json
 import os
 from typing import Any
 
@@ -178,7 +178,7 @@ async def mark_furigana(
             query_text = body.get("text") or body.get("q") or ""
         elif isinstance(body, str):
              query_text = body
-             
+
     except Exception as e:
         return Response(
             status=500,