Sanity checks
If you're having problems running your Streamlit app, here are a few things to try out.
Check #0: Are you using a Streamlit-supported version of Python?
Streamlit will maintain backwards-compatibility with earlier Python versions as practical,
guaranteeing compatibility with at least the last three minor versions of Python 3.
As new versions of Python are released, we will try to be compatible with the new version as soon
as possible, though frequently we are at the mercy of other Python packages to support these new versions as well.
Streamlit currently supports versions 3.7, 3.8, and 3.9 of Python.
Check #1: Is Streamlit running?
On a Mac or Linux machine, type this on the terminal:
bash
ps -Al | grep streamlit
If you don't see streamlit run in the output (or streamlit hello, if that's
