style: 🎨 fix ruff formatting errors

backend/tests/test_api.py

@@ -6,6 +6,7 @@
 import pytest
 import requests
 from fastapi.testclient import TestClient
+
 from src.config import S3_BUCKET_NAME, S3_URL_ENDPOINT
 from src.main import app
 

backend/tests/test_auth.py

@@ -1,6 +1,7 @@
 import jwt
 import pytest
 from fastapi.testclient import TestClient
+
 from src.config import PUBLIC_KEY
 from src.main import app
 

backend/tests/test_email.py

@@ -1,4 +1,5 @@
 from fastapi.testclient import TestClient
+
 from src.main import app
 from src.utils import send_mail