Console script returning RuntimeError

[gabrieltempass]

Console script returning RuntimeError

[raethlein]

Hey y'all, just a quick update that we are going to discuss the issue & potential fix (#8610) tomorrow and I'll keep you posted. Sorry for the inconvenience and thanks for reporting the issue with these details ❤️

[raethlein]

We have merged #8620 that should fix this issue, so it should land in streamlit-nightly and latest in 1.35 🙂

[raethlein]

Acknowledged! This behavior change seems to have been introduced via this PR, since now the Component Registry is loaded from the runtime and is not a singleton anymore. When you run the standalone command, the runtime does not seem to be initialized, resulting in the error you are seeing.
I will talk with the team and get back to you with regards to this. I am wondering whether there is a good way to solve this without invoking Streamlit under the hood at all in order to just print the version of the python package.

[kaizen63]

Hello,
this is the same issue I raised here: NathanChen198/streamlit-rsa-auth-ui#1
Worked in 1.33 but in 1.34 its broken. Raises a RunTimeError too.

[FloTeu]

I can confirm the same issue as well for the import of custom components.

Reproducable code:
Expects custom component streamlit_elements is installed

file: streamlit_bug_report.py

import streamlit as st
# This line raises "RuntimeError: Runtime hasn't been created!" in streamlit>=1.34.0
from streamlit_elements import elements, dashboard, mui, nivo

def app():
    # assume somthing with the streamlit_elements component happens here
    st.write("Hello World")


if __name__ == "__main__":
    app()

runs fine if one starts the app with streamlit run streamlit_bug_report.py

But if the app is started via cli with help of streamlit.web.bootstrap its now raising an error since streamlit version 1.34.0.

file: streamlit_bug_report_cli.py

import streamlit as st
import streamlit.web.bootstrap as st_bootstrap
from streamlit_bug_report import app

def main():
    if st.runtime.exists():
        # The app has been executed with `streamlit run app.py`
        app()
    else:
        # If the file has been executed with python (`python app.py`), the streamlit functionality
        # won't work. This line reruns the app within the streamlit context, as if it has been
        # executed with `streamlit run app.py`.
        # This is necessary when installing this project from a .whl package, since the executable
        # only gets execute by python and not by streamlit.
        st_bootstrap.run(
            __file__,
            is_hello=False,
            args=[],
            flag_options={},
        )


if __name__ == "__main__":
    main()

Running python streamlit_bug_report_cli.py will raise RuntimeError: Runtime hasn't been created!

[hansthen]

The issue also affects automated tests in packages like streamlit-folium, where custom components are tested without actually running Streamlit.

[gabrieltempass]

Awesome, thanks!

[github-actions]

If this issue affects you, please react with a 👍 (thumbs up emoji) to the initial post.

Your feedback helps us prioritize which bugs to investigate and address first.