replace youtube url with an invidious instance

main.py

@@ -80,8 +80,12 @@ def download_audio_bytes(youtube_url: str) -> bytes:
     """
     Downloads the best audio-only format from a YouTube URL using yt-dlp and returns the raw audio data as bytes.
     """
+    safe_url = youtube_url.replace(
+    "youtube.com/watch?v=",
+    "yewtu.be/watch?v="
+    )
 
-    print(f"Attempting to download audio for: {youtube_url}")
+    print(f"Attempting to download audio for: {safe_url}")
     ydl_opts = {
         'format': 'bestaudio/best', # Prioritize best audio-only, fallback to best audio in general
         'noplaylist': True,       # Don't download playlist if URL is part of one
@@ -107,7 +111,7 @@ def download_audio_bytes(youtube_url: str) -> bytes:
              # Or, a better way: get the direct audio URL first
 
              # --- Simpler & Often Better Approach: Get URL, then download with requests ---
-             info = ydl.extract_info(youtube_url, download=False) # Get info without downloading yet
+             info = ydl.extract_info(safe_url, download=False) # Get info without downloading yet
              best_audio_format = None
              for f in info.get('formats', []):
                  # Look for formats processed by FFmpegExtractAudio or good audio codecs
@@ -128,7 +132,7 @@ def download_audio_bytes(youtube_url: str) -> bytes:
                  # If you *don't* have ffmpeg in the Dockerfile, the postprocessor might fail here
                  # Let's try the download anyway, it might work for some native formats
                  # This path is less reliable without guaranteed ffmpeg.
-                 error_info = ydl.download([youtube_url]) # Try downloading directly (might need ffmpeg)
+                 error_info = ydl.download([safe_url]) # Try downloading directly (might need ffmpeg)
                  # This part is complex - capturing output might need more work if direct URL fetch failed.
                  # Let's raise an error if we couldn't get a direct URL for now.
                  raise yt_dlp.utils.DownloadError("Could not extract a direct audio URL and ffmpeg may not be available.")