code: def get_iex_next_day_ex_date(start=None, **kwargs):
      
      import warnings
      warnings.warn(WNG_MSG % ("get_iex_next_day_ex_date",
                               "refdata.get_iex_next_day_ex_date"))
      return NextDay(start=start, **kwargs).fetch()
docs: MOVED to iexfinance.refdata.get_iex_next_day_ex_date