How to use the yeelight.flow.RGBTransition function in yeelight

def police2(duration=250, brightness=100):
    """
    Color flashes red and then blue, like urgent police lights.

    :param int duration: The duration to fade to next color, in milliseconds.
    :param int brightness: The brightness of the transition.

    :returns: A list of transitions.
    :rtype: list
    """
    transitions = [
        RGBTransition(255, 0, 0, brightness=brightness, duration=duration),
        RGBTransition(255, 0, 0, brightness=1, duration=duration),
        RGBTransition(255, 0, 0, brightness=brightness, duration=duration),
        SleepTransition(duration=duration),
        RGBTransition(0, 0, 255, brightness=brightness, duration=duration),
        RGBTransition(0, 0, 255, brightness=1, duration=duration),
        RGBTransition(0, 0, 255, brightness=brightness, duration=duration),
        SleepTransition(duration=duration),
    ]
    return transitions

"""
    Color flashes red and then blue, like urgent police lights.

    :param int duration: The duration to fade to next color, in milliseconds.
    :param int brightness: The brightness of the transition.

    :returns: A list of transitions.
    :rtype: list
    """
    transitions = [
        RGBTransition(255, 0, 0, brightness=brightness, duration=duration),
        RGBTransition(255, 0, 0, brightness=1, duration=duration),
        RGBTransition(255, 0, 0, brightness=brightness, duration=duration),
        SleepTransition(duration=duration),
        RGBTransition(0, 0, 255, brightness=brightness, duration=duration),
        RGBTransition(0, 0, 255, brightness=1, duration=duration),
        RGBTransition(0, 0, 255, brightness=brightness, duration=duration),
        SleepTransition(duration=duration),
    ]
    return transitions

:param int red: The red color component to pulse (0-255).
    :param int green: The green color component to pulse (0-255).
    :param int blue: The blue color component to pulse (0-255).
    :param int duration: The duration to pulse for, in milliseconds.
    :param int brightness: The brightness to pulse at (1-100).

    :returns: A list of transitions.
    :rtype: list
    """
    red = _clamp(red, 0, 255)
    green = _clamp(green, 0, 255)
    blue = _clamp(blue, 0, 255)

    transitions = [
        RGBTransition(red, green, blue, duration=duration, brightness=brightness),
        RGBTransition(red, green, blue, duration=duration, brightness=1),
    ]
    return transitions

def police(duration=300, brightness=100):
    """
    Color changes from red to blue, like police lights.

    :param int duration: The duration between red and blue, in milliseconds.
    :param int brightness: The brightness of the transition.

    :returns: A list of transitions.
    :rtype: list
    """
    transitions = [
        RGBTransition(255, 0, 0, duration=duration, brightness=brightness),
        RGBTransition(0, 0, 255, duration=duration, brightness=brightness),
    ]
    return transitions

def police(duration=300, brightness=100):
    """
    Color changes from red to blue, like police lights.

    :param int duration: The duration between red and blue, in milliseconds.
    :param int brightness: The brightness of the transition.

    :returns: A list of transitions.
    :rtype: list
    """
    transitions = [
        RGBTransition(255, 0, 0, duration=duration, brightness=brightness),
        RGBTransition(0, 0, 255, duration=duration, brightness=brightness),
    ]
    return transitions