fix: inginite loop

app.py

@@ -101,7 +101,7 @@ def display_streamlit_sidebar():
     form.write('Best practice is to only modify temperature or top_p, not both')
 
     submitted = form.form_submit_button("Start session")
-    if submitted:
+    if submitted and not st.session_state['session_started']:
         print('Parameters updated...')
         restart_session()
         st.session_state['session_started'] = True