Summary

Permission problem when streamlit is running from url. This happens on Windows. Likely an issue with the permission of the system temporary folder. The stacktrace shows the EventBasedFileWatcher, so it may be related to this codepath.

Steps to reproduce

The bug still needs a formal repro.

streamlit run https://raw.githubusercontent.com/streamlit/demo-self-driving/master/app.py```

Discourse: https://discuss.streamlit.io/t/permission-errors-when-running-demo-self-driving/246

Expected behavior:

No exception raised

Actual behavior:

Permission denied exception raised as per Discourse.

Is this a regression?

no

Debug info

• Streamlit version: post launch
• Python version: not sure
• Using Conda? PipEnv? PyEnv? Pex? not sure
• OS version: Windows
• Browser version: not sure

Additional information

If needed, add any other context about the problem here.