Update app.py

app.py

@@ -318,7 +318,7 @@ with gr.Blocks(theme=theme, css=css) as demo:  # Suppression de 'css=css' si 'cs
     </div>
     """)
     with gr.Column(elem_id="chat-interface"):
-        chat = gr.Chatbot(elem_id="chat-messages", show_label=False, avatar_images=[bot_profile_image, user_profile_image]) 
+        chat = gr.Chatbot(elem_id="chat-messages", show_label=False, avatar_images=[user_profile_image, bot_profile_image]) 
         with gr.Row(elem_id="input-area"):
             text_input = gr.Textbox(placeholder="Ask anything about medicine / scientific research !", show_label=False)
             text_input.submit(respond, inputs=[text_input, chat], outputs=[text_input,chat])