Update app.py

app.py

@@ -1,4 +1,5 @@
 # app.py
+# app.py
 import os, traceback, regex as re2
 import gradio as gr
 import pandas as pd
@@ -89,8 +90,8 @@ def handle(user_msg: str, history: list, files: list) -> Tuple[list, str]:
 # -------- UI --------
 with gr.Blocks(analytics_enabled=False) as demo:
     gr.Markdown("## Canadian Healthcare AI • Scenario-Agnostic (Cohere primary • Deterministic analytics)")
-    # tuple mode matches how we store history as (user, assistant)
-    chat = gr.Chatbot(type="tuple", height=520)
+    # Use the correct plural form: 'tuples'
+    chat = gr.Chatbot(type="tuples", height=520)
     files = gr.Files(
         file_count="multiple",
         type="filepath",
@@ -109,5 +110,5 @@ with gr.Blocks(analytics_enabled=False) as demo:
     clear.click(lambda: ([], ""), outputs=[chat, msg])
 
 if __name__ == "__main__":
-    # You can set share=True if you want a public link in dev.
     demo.launch(server_name="0.0.0.0", server_port=int(os.getenv("PORT", "7860")))
+