Update app.py

app.py

@@ -1,6 +1,6 @@
 from pathlib import Path
 import subprocess
-from re import compile, findall
+from re import compile, findall, sub
 from time import sleep
 from typing import Literal
 from urllib.parse import quote_plus
@@ -43,7 +43,7 @@ def download_yt_audio_api(youtube_id: str) -> Path:
         response = client.get(api_response_url)
         response.raise_for_status()
         data = response.json()
-        file_name = data['info']['title'].replace(' ', '_')
+        file_name = sub(r'[^A-Za-zА-Яа-я_]', '', data['info']['title'].replace(' ', '_'))
         video_id = data.get('id')
         if not video_id:
             raise ValueError("ошибка на стороне апи!")