Update app.py

app.py

@@ -96,6 +96,9 @@ def initialize_chat_engine(index):
 
 # Fungsi untuk menghasilkan respons chatbot
 def generate_response(message, history, chat_engine):
+    if history is None:  # ✅ Cek jika history None
+        history = []
+        
     chat_messages = [
         ChatMessage(
             role="system",
@@ -108,35 +111,33 @@ def generate_response(message, history, chat_engine):
     ]
     response = chat_engine.stream_chat(message)
     text = "".join(response.response_gen)  # Gabungkan semua token menjadi string
-    history.append((message, text))  # Tambahkan ke riwayat
+    
+    history.append((message, text))  # ✅ Sekarang history sudah pasti berupa list
     return history
 
 def clear_history(chat_engine):
     chat_engine.clear()
     
-# Inisialisasi Komponen Gradio untuk UI
-def launch_gradio(chat_engine):
-    with gr.Blocks() as demo:
-        # Mengatur tombol untuk menghapus riwayat chat
-        clear_btn = gr.Button("Clear")
-        clear_btn.click(lambda: clear_history(chat_engine))
-
-        # Membuat antarmuka chat
-        chat_interface = gr.ChatInterface(
-            lambda message, history: generate_response(message, history, chat_engine)
-        )
-    demo.launch()
-
 # Fungsi Utama untuk Menjalankan Aplikasi
 def main():
     # Unduh model dan inisialisasi pengaturan
     model_path = initialize_llama_model()
-    initialize_settings(model_path)  # Mengirimkan model_path ke fungsi initialize_settings
-    # Inisialisasi index dan engine
+    initialize_settings(model_path)  
+
+    # Inisialisasi index dan chat engine
     index = initialize_index()
-    chat_engine = initialize_chat_engine(index)
-    # Luncurkan antarmuka
-    launch_gradio(chat_engine)
-    
+    chat_engine = initialize_chat_engine(index)  
+
+    # Fungsi untuk chat
+    def chatbot_response(message, history):
+        return generate_response(message, history, chat_engine)  
+
+    # Luncurkan Gradio UI
+    gr.Interface(
+        fn=chatbot_response,
+        inputs=["text"],
+        outputs=["text"],
+    ).launch()
+
 if __name__ == "__main__":
     main()