Update app.py

app.py

@@ -10,6 +10,8 @@ import streamlit as st
 import json
 import os
 import seaborn as sns
+import time
+import random
 
 # Configuring the web page and setting the page title and icon
 st.set_page_config(
@@ -108,7 +110,20 @@ with tab1:
         st.dataframe(bikelane_new[['prediction']].tail(5)) 
 
     if st.button("Update status"):
-        st.rerun()
+        # values cannot be used in st.session_state!!
+        if 'my_values' not in st.session_state:
+            st.session_state.my_values = list()
+
+        if not st.session_state.my_values:
+            st.session_state.my_values.append(0)
+
+        new_value = st.session_state.my_values[-1] + random.randrange(-100, 100) / 100
+
+        st.session_state.my_values.append(new_value)
+
+        time.sleep(.2)
+
+        st.experimental_rerun()
    
 with tab2:
     st.markdown('This application is made as part of the module "Data Engineering and Machine Learning Operations in Business - F2024" in Business Data Science 2nd Semester at Aalborg University Business School.')