diff --git a/lnbits/app.py b/lnbits/app.py
index 9ed24654..060e07e3 100644
--- a/lnbits/app.py
+++ b/lnbits/app.py
@@ -8,7 +8,7 @@ import warnings
 from http import HTTPStatus
 
 from fastapi import FastAPI, Request
-from fastapi.exceptions import RequestValidationError, HTTPException
+from fastapi.exceptions import HTTPException, RequestValidationError
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.middleware.gzip import GZipMiddleware
 from fastapi.responses import JSONResponse