error reload_config: No such command

Issue description:

I am using qtile version 0.18.1 on Ubuntu 20.04.3 with X11 as my backend. I have installed qtile by following documentation here http://docs.qtile.org/en/latest/manual/install/index.html#installing-from-source. I am testing the default configuration via Xephyr. So,

in one terminal i launch Xephyr as such:

$ Xephyr -br -ac -noreset -screen 1440x900 :1

And in another terminal i run qtile as so:

$ DISPLAY=:1 qtile start -c ~/.config/qtile/config.py -l DEBUG

The window manager gets displayed fine in the virtual display and there are no visible errors in the above terminal. However, when i try to reload the configuration by pressing the key combo (in my case <super>+CTRL+r), nothing happens in the display and in the qtile terminal i get this error:

2021-11-01 07:46:50,597 libqtile manager.py:process_key_event():L361 KB command error reload_config: No such command

Please find attached the qtile.log which does not tell me much. Any kind of guidance would be most appreciated.

qtile.log

• I have searched past issues to see if this bug has already been reported.

[stonecharioteer]

Ah no I figured out what I was doing wrong. I was looking at the latest documents, while I had installed from pypi, so I needed to use lazy.restart instead, since reload_config is a newer feature. @elParaguayo your comment helped me realize what I was doing wrong. Thanks.

[elParaguayo]

Closing this as I believe the source of the issue was identified. reload_config is available in the latest release.