Update app.py

app.py

@@ -24,7 +24,7 @@ folium.plugins.AntPath(waypoints, delay=3000).add_to(m)
 folium_static(m)
 
 # Create a grid of buttons for selecting hospitals
-col1, col2, col3 = st.beta_columns(3)
+col1, col2, col3 = st.columns(3)
 with col1:
     if st.button(hospitals[0][0]):
         m.location = [hospitals[0][2], hospitals[0][3]]