Update app.py

app.py

@@ -140,7 +140,7 @@ def display_chat_history(chain):
         with reply_container:
             for i in range(len(st.session_state['generated'])):
                 message(st.session_state["past"][i], is_user=True, key=str(i) + '_user', avatar_style="thumbs")
-                message(st.session_state["generated"][i], key=str(i), avatar_style="shapes")
+                message(st.session_state["generated"][i], key=str(i), avatar_style="fun-emoji")
 
 base_url = "https://raw.githubusercontent.com/grantjw/product_chatbot_rag/main/data/output_transcripts.csv"
 retriever = get_retriever(base_url)