Update app.py

app.py

@@ -17,7 +17,7 @@ SYSTEM_MESSAGE = (
 # Function to handle chatbot responses
 def respond(message, history):
     # Ensure history is a list of tuples
-    if not isinstance(history, list):
+    if not isinstance(history, list) or not all(isinstance(i, tuple) and len(i) == 2 for i in history):
         history = []
 
     messages = [{"role": "system", "content": SYSTEM_MESSAGE}]
@@ -41,9 +41,12 @@ def respond(message, history):
     return history, bot_reply
 
 # Create Gradio chatbot UI
-demo = gr.ChatInterface(
-    respond, 
-    chatbot=gr.Chatbot(),
+chatbot_ui = gr.Chatbot()
+
+demo = gr.Interface(
+    fn=respond,
+    inputs=["text", chatbot_ui],  # Ensure chatbot component receives formatted history
+    outputs=[chatbot_ui, "text"],  # Ensure chatbot returns formatted history
     title="Misinformation Detection Chatbot",
     description="Ask anything, and the chatbot will verify whether it's true or false.",
 )