Update app.py

app.py

@@ -26,6 +26,8 @@ async def tts(text, voice="fa-IR-FaridNeural"):
 
 # Main function: Audio-to-audio pipeline
 async def audio_to_audio(audio_input):
+    if audio_input is None:
+        return None, "No audio input received."
     sample_rate_in, data_in = audio_input
     audio = {"array": data_in, "sampling_rate": sample_rate_in}
     
@@ -43,10 +45,10 @@ async def audio_to_audio(audio_input):
 # Gradio interface
 demo = gr.Interface(
     fn=audio_to_audio,
-    inputs=gr.Audio(source="microphone", type="numpy"),
-    outputs=gr.Audio(type="numpy"),
+    inputs=gr.Audio(source="microphone", type="numpy", label="Speak in Farsi"),
+    outputs=gr.Audio(type="numpy", label="Response in Farsi"),
     title="Farsi Audio Chatbot",
-    description="Speak in Farsi, and the app will respond in Farsi."
+    description="Speak in Farsi, and the app will respond in Farsi audio."
 )
 
 # Launch the app