Running STREAMLIT with PYTHON 3.9 on Mac OS Catalina


quite new in Streamlit and Python. So just downloaded last version and it doesn’t work at all. Any clues ?

Hi @JIM, welcome to the Streamlit community!

Streamlit is currently blocked from supporting Python 3.9 by pyarrow:


A recipe was just added to conda-forge for Streamlit, so you could also try this:

conda create -n st39 -c conda-forge python=3.9 streamlit -y