fix AttributeError: 'str' object has no attribute '_id'.

app.py

@@ -41,9 +41,10 @@ with gr.Blocks(theme=gr.themes.Base()) as blocks:
     gr.Markdown("Enter text to synthesize it into speech using PiperVoice.")
     input_text = gr.Textbox(label="Input Text")
     output_audio = gr.Audio(label="Synthesized Speech", type="numpy")
+    output_text = gr.Textbox(label="Output Text", visible=False)  # This is the new text output component
     submit_button = gr.Button("Synthesize")
 
-    submit_button.click(synthesize_speech, inputs=input_text, outputs=[output_audio, "text"])
+    submit_button.click(synthesize_speech, inputs=input_text, outputs=[output_audio, output_text])
 
 # Run the app
 blocks.launch()