Fix ruff errors

tests/test_async_youtube_notifier.py

@@ -1,3 +1,6 @@
+"""Contains the tests for the class AsyncYouTubeNotifier."""
+
+
 import asyncio
 
 import pytest

tests/test_youtube_notifier.py

@@ -1,4 +1,4 @@
-"""Contains the tests for the YouTube notifier class."""
+"""Contains the tests for the class YouTubeNotifier."""
 from datetime import UTC, datetime
 from http import HTTPStatus
 

ytnoti/__init__.py

@@ -37,7 +37,6 @@
 from fastapi.routing import APIRoute
 from httpx import AsyncClient
 from pyngrok import ngrok
-from pyngrok.exception import PyngrokNgrokHTTPError
 from starlette.routing import Route
 from uvicorn import Config, Server