My Qtile widgets.py

from libqtile import qtile, widget

from modules import const

colors = [
    ["#282c34", "#282c34"], # panel background
    ["#3d3f4b", "#434758"], # background for current screen tab
    ["#ffffff", "#ffffff"], # font color for group names
    ["#ff5555", "#ff5555"], # border line color for current tab
    ["#74438f", "#74438f"], # border line color for 'other tabs' and color for 'odd widgets'
    ["#4f76c7", "#4f76c7"], # color for the 'even widgets'
    ["#e1acff", "#e1acff"], # window name
    ["#ecbbfb", "#ecbbfb"]  # backbround for inactive screens
]

widget_defaults = dict(
    font=const.FONT_FAMILY_PROSE,
    fontsize=12,
    padding=3,
)
extension_defaults = widget_defaults.copy()

class MyVolume(widget.Volume):
    def _configure(self, qtile, bar):
        widget.Volume._configure(self, qtile, bar)
        self.volume = self.get_volume()
        if self.volume <= 0:
            self.text = ''
        elif self.volume <= 15:
            self.text = ''
        elif self.volume < 50:
            self.text = ''
        else:
            self.text = ''
        # drawing here crashes Wayland

    def _update_drawer(self, wob=False):
        if self.volume <= 0:
            self.text = ''
        elif self.volume <= 15:
            self.text = ''
        elif self.volume < 50:
            self.text = ''
        else:
            self.text = ''
        self.draw()

        if wob:
            with open(self.wob, 'a') as f:
                f.write(str(self.volume) + "\n")

volume = MyVolume(
    fontsize=18,
    font='Font Awesome 5 Free',
    foreground=colors[4],
    background='#2f343f',
    mouse_callbacks = {'Button1': lambda: qtile.cmd_spawn("pavucontrol")}
)