Equivalent to a salt cli: salt web state.show_top

def _get_top_states(saltenv='base'):
    '''
    Equivalent to a salt cli: salt web state.show_top
    '''
    alt_states = []
    try:
        returned = __salt__['state.show_top']()
        for i in returned[saltenv]:
            alt_states.append(i)
    except Exception:
        raise
    # log.info("top states: %s", alt_states)
    return alt_states