Text not disappearing

[mathcatsand]

Here’s a little explanation about stale elements.

Streamlit Spinner and Chat Message odd interaction

The faded element is what we call “stale.” Streamlit removes stale elements when it knows they won’t be re-rendered. Streamilt keeps track of elements by the order they appear on the page. Consider this very simplified example. If one script run renders: A title A header A chart A button And the next script run renders: A title A chart A button Streamlit will briefly have two charts at step 2 of the rerun (when it replaces the header with the new chart). Then, when the button renders, it …

A common solution is to use st.empty to forcibly clear out a page or section.