Updated app python version - Do not see advanced options to be able to change Python version in streamlit settings

Community Cloud
1

I connected my Github to Streamlit cloud to deploy my app. Originally the app was using python 3.7 (and was working fine), but I changed it to python 3.8 and updated the poetry poetry.lock and pyproject.toml in my Github repo accordingly (I also made some package version updates such as scikit-learn so that they are compatible with python 3.8).

However, I get an error when the app tried to update or I reboot it:

Installing dependencies from lock file

  SolverProblemError

  The current project's Python requirement (3.7.13) is not compatible with some of the required packages Python requirement:

    - scikit-learn requires Python >=3.8, so it will not be satisfied for Python 3.7.13

I can’t figure out where python 3.7 is specified (except in settings when I deployed the app initially).

When I got to the app settings, I don’t see any option for advanced settings to change to python 3.8 (I only see sharing and secret tabs).

2

You need to create a new application in order to use a different python.

3

Creating a new app worked. Definitely wish there was a way to update python versions without deleting and re-creating the app.

I was partly worried about breaking the URL link (since the new app has a new hash in the URL). But turns out this isn’t an issue (the shareable URL from the old app still takes me to the new app).

4

Customizable subdomains seem to be on their way. I don’t know what the current status is, though.

5

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