def METHOD_NAME(distance=1.0):
    """Get a point of the top of the unit sphere.
    # Arguments
        distance: Float, indicating distance to origin.
    # Returns
        sphere_point: List of spatial coordinates of a sphere.
    """
    if distance <= 0:
        raise ValueError('distance should be bigger than 0')
    sphere_point = np.random.uniform(-1, 1, size=3)
    return (distance * sphere_point) / np.linalg.norm(sphere_point)