def read_emcee_settings(config):
    """
    Read EMCEE parameters, i.e., number of walkers, steps, and burn-in steps.
    """
    emcee_settings = {}
    section = 'EMCEE'
    for name in ['n_walkers', 'n_steps', 'n_burn']:
        emcee_settings[name] = config.getint(section, name)
    return emcee_settings