Update app.py

app.py

@@ -10,7 +10,7 @@ hide_streamlit_style = """
             """
 st.markdown(hide_streamlit_style, unsafe_allow_html=True)
 
-col1, col2 = st.beta_columns(2)
+col1, col2 = st.columns(2)
 
 with col1:
     st.markdown("## **Autonomous agents interacting** :robot_face: :robot_face:**")