Inconsistent behaviour of st.selectbox with sessions

[asehmi]

In case you’re interested I actually wrote a mini tutorial yesterday on how to solve similar issues.

Mini-tutorial: Initializing widget values and getting them to stick without double presses

Hi, Have you ever found it frustrating to use widgets with initialized values, getting those values to survive through script reruns and noticed how sometimes you have to double click to get the value to stick? We all have! This seems to be a common issue amongst new Streamlit users, so I wrote a mini-tutorial app to explain how widgets are used with initialized values and how to make them stick using session state and callbacks. There are three ways: (1) the most basic where the initial valu…