def mchirp_sampler_flat(**kwargs):
    ''' Draw chirp mass samples for flat in mass model

        Parameters
        ----------
        **kwargs: string
           Keyword arguments as model parameters and number of samples

        Returns
        -------
        mchirp-astro: array
           The chirp mass samples for the population
    '''
    m1, m2 = draw_flat_samples(**kwargs)
    mchirp_astro = mchirp_from_mass1_mass2(m1, m2)

    return mchirp_astro
Draw chirp mass samples for flat in mass model

        Parameters
        ----------
        **kwargs: string
           Keyword arguments as model parameters and number of samples

        Returns
        -------
        mchirp-astro: array
           The chirp mass samples for the population