Documentation issue, probably? `python-socketio 5.12.1 does not provide the extra 'asyncio'`

[swelljoe]

Describe the bug

The documentation here: https://python-socketio.readthedocs.io/en/stable/server.html

Says to run:

pip install "python-socketio[asyncio]"

But, python-socketio does not have an extra named asyncio, and installing using the provided command results in the following error:

WARNING: python-socketio 5.12.1 does not provide the extra 'asyncio'

To Reproduce

Steps to reproduce the behavior:

1. Follow installation docs found at https://python-socketio.readthedocs.io/en/stable/server.html
2. See: WARNING: python-socketio 5.12.1 does not provide the extra 'asyncio'

Expected behavior

No error.

[swelljoe]

The example of instantiating an AsyncServer seems to work without error. So, I guess asyncio is included without needing to specify it in the install command or dependency in Pipfile or pyproject.toml.

[miguelgrinberg]

Yes, the documentation is incorrect. The extras that are available are client and asyncio_client. For the server there are no additional dependencies needed for async.