Minimal configuration for qtile + polybar bug (~/.config/qtile)

config.py

import os
import subprocess

from libqtile import layout, hook, bar
from libqtile.config import Key, Group, Screen
from libqtile.lazy import lazy

meta = "mod4"
alt = "mod1"
ctrl = "control"
shift = "shift"

terminal = "/usr/bin/alacritty"
browser = "/usr/bin/firefox"

layout_settings = {
    "border_focus": "#ffffff",
    "border_width": 2,
    "margin": 10,
    "new_client_position": "bottom",
    "single_border_width": 1,
    "single_margin": 10,
    "change_ratio": 0.01,
    "change_size": 10,
}

layouts = [
    layout.MonadTall(**layout_settings),
]

keys = [
    Key([meta, ], "Return", lazy.spawn(terminal), desc="Launch Terminal"),
    Key([meta, ], "b", lazy.spawn(browser), desc="Launch Browser"),

    Key([meta, ], "Left", lazy.screen.prev_group(), desc="Go to then group on the left"),
    Key([meta, ], "Right", lazy.screen.next_group(), desc="Go to then group on the right"),

    Key([meta, ], "q", lazy.window.kill(), desc="Close focused window"),

    Key([meta, ctrl], "F5", lazy.restart(), desc="Restart Qtile"),
    Key([meta, ], "Escape", lazy.shutdown(), desc="Shutdown Qtile"),
]

groups = [
    Group("0"),
    Group("1"),
    Group("2"),
]

for i in groups:
    keys.extend([
        Key([meta, ], i.name, lazy.group[i.name].toscreen(), desc="Switch to group {}".format(i.name)),
        Key([meta, "shift", ], i.name, lazy.window.togroup(i.name), desc="Move window to group {}".format(i.name)),
    ])

screens = [
    Screen(top=bar.Bar([], 60)),
    Screen(top=bar.Bar([], 60))
]


@hook.subscribe.startup
def autostart():
    autostart_script = os.path.expanduser("/polybar.sh")
    subprocess.call([autostart_script])

polybar.sh

#!/bin/sh

killall polybar

MONITOR=DisplayPort-0 polybar -c ~/.config/qtile/polybar_config primary &
MONITOR=DisplayPort-1 polybar -c ~/.config/qtile/polybar_config secondary &

polybar_config

[bar/primary]
monitor = DisplayPort-0
override-redirect = true
modules-left = ewmh
enable-ipc = true

[bar/secondary]
monitor = DisplayPort-1
override-redirect = true
modules-left = ewmh
enable-ipc = true

[module/ewmh]
type = internal/xworkspaces
icon-0 = 0;0
icon-1 = 1;1
icon-2 = 2;2
icon-default =
format = <label-state>

label-active = %icon%
label-urgent = %icon%
label-occupied = %icon%
label-empty = %icon%