How to make a timer?

[andfanilo]

You can also create an external asyncio thread managing the timer for you

Issue with asyncio run in streamlit

…so I guess the None is actually the result of await asyncio.sleep(0) which Streamlit naturally writes in Streamlit like when you just write "Hello World" in a Python script. import asyncio import streamlit as st async def periodic(): while True: st.write("Hello world") r = await asyncio.sleep(1) st.write(f"asyncio sleep ? {r}") asyncio.run(periodic()) [image] So back to your code import asyncio import streamlit as st from datetime import datetime st.set_page_c…