Error2 reports

Fix `StreamlitAPIException`

in Streamlit

Related Issues

Real GitHub issues where developers encountered this error:

`st.download_button` rejects documented `io.StringIO` dataJul 30, 2026

AppTest does not discover installed CCv2 components, so file-backed JS/CSS components fail under testing but work under `streamlit run`Jun 9, 2026

Timeline

First reported:Jun 9, 2026

Last reported:Jul 30, 2026

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