Using the install instructuions from the docs, on a virtual environment:
$ python3 -m venv tutorial-env
...
$ pip install openquestion
...
$ anvil-app-server --app OpenQuestion
Found Anvil App Server JAR in package directory
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.bouncycastle.jcajce.provider.drbg.DRBG (file:/home/q/prj/DSRonline/tutorial-env/lib/python3.9/site-packages/anvil_app_server/anvil-app-server.20210113-190622.jar) to constructor sun.security.provider.Sun()
WARNING: Please consider reporting this to the maintainers of org.bouncycastle.jcajce.provider.drbg.DRBG
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
'OpenQuestion' does not contain an Anvil app.
Specify the app to serve with the --app option.
This is on manjaro linux using the system's python:
$python3 --version
Python 3.9.1