Update app.py

app.py

@@ -244,6 +244,14 @@ def _download_yt_audio(yt_url: str, filepath: str) -> None:
     try:
         info = info_loader.extract_info(yt_url, download=False)
     except youtube_dl.utils.DownloadError as err:
+        # Check if this is a network/DNS error (common on HF Spaces)
+        err_str = str(err)
+        if "Failed to resolve" in err_str or "No address associated" in err_str:
+            raise gr.Error(
+                "YouTube download failed due to network restrictions. "
+                "This feature requires running the app locally. "
+                "On Hugging Face Spaces, outbound connections to YouTube are blocked."
+            )
         raise gr.Error(str(err))
 
     # Parse duration