Added Ruff linting

src/main.py

@@ -1,14 +1,16 @@
-from fastapi import FastAPI, Depends, HTTPException, Response, Request
-import uvicorn
-from contextlib import asynccontextmanager
-from db_module import get_db, create_connection_pool, close_connection_pool, start_healthcheck_thread
-from simple_logger_handler import setup_logger, LOG_LEVEL
-from feed_handler import grab_latest_chapter_information
-from send_notification import send_notification
-from metrics_server import REQUEST_COUNTER
 import asyncio
-from uvicorn_logger_config import LOGGING_CONFIG
+from contextlib import asynccontextmanager
+
+import uvicorn
+from fastapi import Depends, FastAPI, HTTPException, Request
+
+from db_module import close_connection_pool, create_connection_pool, get_db, start_healthcheck_thread
+from feed_handler import grab_latest_chapter_information
+from metrics_server import REQUEST_COUNTER
 from secret_manager import cleanup_secret_files
+from send_notification import send_notification
+from simple_logger_handler import LOG_LEVEL, setup_logger
+from uvicorn_logger_config import LOGGING_CONFIG
 
 logger = setup_logger(__name__)
 
@@ -95,11 +97,11 @@ def get_chapters(request: Request, db = Depends(get_db)):
 		return {"status": "checked"}
 	except ValueError as e:
 		logger.error(f"[Royalroad] Failed to fetch feed {royalroadId}: {e}")
-		raise HTTPException(status_code=404, detail=str(e))
+		raise HTTPException(status_code=404, detail=str(e)) from e
 
 	except Exception as e:
 		logger.error(f"[Royalroad] Error during chapter check: {e}", exc_info=True)
-		raise HTTPException(status_code=500, detail=str(e))
+		raise HTTPException(status_code=500, detail=str(e)) from e
 
 async def start_servers():
 	logger.info("[Server] Starting main API (port 5000) and metrics server (port 9000)...")