How to use the pyvirtualdisplay.abstractdisplay.AbstractDisplay function in PyVirtualDisplay

import logging

from pyvirtualdisplay.abstractdisplay import AbstractDisplay

log = logging.getLogger(__name__)

PROGRAM = "Xvfb"


class XvfbDisplay(AbstractDisplay):
    """
    Xvfb wrapper

    Xvfb is an X server that can run on machines with no display
    hardware and no physical input devices. It emulates a dumb
    framebuffer using virtual memory.
    """

    def __init__(
        self,
        size=(1024, 768),
        color_depth=24,
        bgcolor="black",
        use_xauth=False,
        # check_startup=False,
        fbdir=None,

import logging

from pyvirtualdisplay.abstractdisplay import AbstractDisplay

log = logging.getLogger(__name__)

PROGRAM = "Xephyr"


class XephyrDisplay(AbstractDisplay):
    """
    Xephyr wrapper

    Xephyr is an X server outputting to a window on a pre-existing X display
    """

    def __init__(
        self,
        size=(1024, 768),
        color_depth=24,
        bgcolor="black",
        use_xauth=False,
        # check_startup=False,
        randomizer=None,
        retries=10,
        extra_args=[],

import logging

from pyvirtualdisplay.abstractdisplay import AbstractDisplay

log = logging.getLogger(__name__)

PROGRAM = "Xvnc"


class XvncDisplay(AbstractDisplay):
    """
    Xvnc wrapper
    """

    def __init__(
        self,
        size=(1024, 768),
        color_depth=24,
        bgcolor="black",
        use_xauth=False,
        # check_startup=False,
        rfbport=5900,
        rfbauth=None,
        randomizer=None,
        retries=10,
        extra_args=[],