fixed code

app.py

@@ -51,11 +51,11 @@ def tts_wrapper(text, language, character, translation_direction):
     except Exception as e:
         return f"Error: {str(e)}", None
 
+# ✅ FIXED: Voice character list updates properly now
 def get_characters(language):
     chars = list(voice_characters.get(language, {}).keys())
     default_char = chars[0] if chars else None
-    return gr.Dropdown.update(choices=chars, value=default_char)
-
+    return gr.update(choices=chars, value=default_char)
 
 # ===== CHATBOT PART USING BLENDERBOT =====
 
@@ -65,9 +65,7 @@ model = BlenderbotForConditionalGeneration.from_pretrained(model_name)
 device = torch.device("cpu")
 model.to(device)
 
-# We add async TTS call for bot replies here
 async def generate_bot_tts(text):
-    # You can choose voice here for bot TTS, for example English Aria
     voice = voice_characters["English - US"]["Aria"]
     filename = await generate_tts(text, voice)
     return filename
@@ -76,25 +74,19 @@ def chatbot_response(history, user_message):
     if history is None:
         history = []
 
-    # Append new user message
     history.append(("User", user_message))
-
-    # Prepare conversation text for BlenderBot
     conversation_text = " ".join([msg for _, msg in history]) + " " + user_message
     inputs = tokenizer([conversation_text], return_tensors="pt").to(device)
 
     reply_ids = model.generate(**inputs, max_length=200)
     response = tokenizer.decode(reply_ids[0], skip_special_tokens=True)
 
-    # Append bot reply
     history.append(("Bot", response))
 
-    # Prepare chat display string
     chat_str = ""
     for speaker, msg in history:
         chat_str += f"{speaker}: {msg}\n"
 
-    # Generate bot TTS audio file
     try:
         audio_path = asyncio.run(generate_bot_tts(response))
     except Exception as e:
@@ -103,12 +95,11 @@ def chatbot_response(history, user_message):
 
     return history, chat_str, audio_path
 
-
 # ===== GRADIO UI =====
 
 def create_app():
     with gr.Blocks() as app:
-        gr.Markdown("## 🎙️ Multi-Voice AI TTS with Translation + 🤖Chatbot")
+        gr.Markdown("## 🎙️ Multi-Voice AI TTS with Translation + 🤖 BlenderBot Chatbot")
 
         with gr.Tab("TTS"):
             text_input = gr.Textbox(label="Enter Text", placeholder="Type something...", lines=4)
@@ -119,7 +110,9 @@ def create_app():
             output_text = gr.Textbox(label="Translated Text or Error")
             output_audio = gr.Audio(label="Generated Voice")
 
+            # ✅ This updates the character dropdown dynamically based on selected language
             language_dropdown.change(fn=get_characters, inputs=language_dropdown, outputs=character_dropdown)
+
             tts_button.click(fn=tts_wrapper,
                              inputs=[text_input, language_dropdown, character_dropdown, translation_dropdown],
                              outputs=[output_text, output_audio])
@@ -139,7 +132,6 @@ def create_app():
 
     return app
 
-
 if __name__ == "__main__":
     app = create_app()
     app.launch(share=True)