Update app.py

app.py

@@ -15,10 +15,15 @@ def convert_tts(model_name, tts_text, selected_voice, slang_rate, use_uploaded_v
         voice_upload_file = voice_upload.read()
 
     # Call the tts processing function
-    info, _, (tgt_sr, audio_output) = tts(
+    result = tts(
         model_name, tts_text, edge_tts_voice, slang_rate, use_uploaded_voice, voice_upload_file
     )
 
+    if isinstance(result, dict) and "error" in result:
+        return result, None
+
+    info, _, (tgt_sr, audio_output) = result
+
     # Process audio output to bytes
     audio_bytes = None
     if isinstance(audio_output, np.ndarray):
@@ -54,9 +59,8 @@ iface = gr.Interface(
         gr.Textbox(label="Audio URI")
     ],
     title="Text-to-Speech Conversion",
-    # Set concurrency_limit directly in Interface constructor
-    concurrency_count=10  # Adjust based on your server capacity
+    concurrency_limit=10  # Set the concurrency limit here
 )
 
-# Launch the interface with max_threads
-iface.launch(debug=True, max_threads=10)  # Adjust max_threads if needed
+# Launch the interface
+iface.launch(debug=True)