Fix small bug

app.py

@@ -33,7 +33,7 @@ recorder = AudioRecorder(stream=camera)
 from IPython.display import display
 
 messages: solara.Reactive[List[MessageDict]] = solara.reactive([])
-total_message_count = solara.reactive(0)
+user_message_count = solara.reactive(0)
 resultado = solara.reactive("")
 
 @solara.component
@@ -53,8 +53,7 @@ def Page():
     with solara.Column(style={"padding": "30px"}):
         solara.Title("Talk to Llama2")
         solara.Markdown("#Talk to Llama2")
-        user_message_count = len([m for m in messages.value if m["role"] == "user"])
-        total_message_count.value = len([m for m in messages.value])
+        user_message_count.value = len([m for m in messages.value if m["role"] == "user"])
     
         def send(message):
             messages.value = [
@@ -71,7 +70,7 @@ def Page():
         def result():
             if messages.value !=[]: response(messages.value[-1]["content"])
     
-        generated_response = solara.use_thread(result, [user_message_count])
+        generated_response = solara.use_thread(result, [user_message_count.value])
         solara.ProgressLinear(generated_response.state == solara.ResultState.RUNNING)
     
         with solara.Column(style={"width": "70%"}):
@@ -84,7 +83,7 @@ def Page():
                     solara.Markdown("## Transcribed message:")
                 solara.Text(f"{resultado.value}", style={"color":"blue"})
             with solara.lab.ChatBox():
-                for item in messages.value:
+                for counter, item in enumerate(messages.value):
                     with solara.lab.ChatMessage(
                         user=item["role"] == "user",
                         name="Assistant" if item["role"] == "assistant" else "User",
@@ -92,12 +91,12 @@ def Page():
                         border_radius="20px",
                     ):
                         solara.Markdown(item["content"])
-                if messages.value != []:
-                    voice_name = "Adam"
-                    model_name = "eleven_monolingual_v1"
-                    audio = generate(text=f"{messages.value[-1]['content']}", voice=voice_name, model=model_name)
-                    with NamedTemporaryFile(suffix=".mp3") as temp:
-                        save(audio, f"{temp.name}")
-                        audio = ipywidgets.Audio.from_file(filename=f"{temp.name}", autoplay=True, loop=False)
-                        display(audio)
-            solara.lab.ChatInput(send_callback=send)
+                        if counter == 2*user_message_count.value-1:
+                            voice_name = "Adam"
+                            model_name = "eleven_monolingual_v1"
+                            audio = generate(text=f"{messages.value[-1]['content']}", voice=voice_name, model=model_name)
+                            with NamedTemporaryFile(suffix=".mp3") as temp:
+                                save(audio, f"{temp.name}")
+                                audio = ipywidgets.Audio.from_file(filename=f"{temp.name}", autoplay=False, loop=False)
+                            display(audio)
+                solara.lab.ChatInput(send_callback=send)