text: from collections import namedtuple
  
  import numpy as np
  import talib
  
  from jesse.helpers import slice_candles
  
  DI = namedtuple('DI', ['plus', 'minus'])
  
  
  def di(candles: np.ndarray, period: int = 14, sequential: bool = False) -> DI:
      """
      DI - Directional Indicator
  
      :param candles: np.ndarray
      :param period: int - default: 14
      :param sequential: bool - default: False
  
      :return: DI(plus, minus)
      """
      candles = slice_candles(candles, sequential)
  
      MINUS_DI = talib.MINUS_DI(candles[:, 3], candles[:, 4], candles[:, 2], timeperiod=period)
      PLUS_DI = talib.PLUS_DI(candles[:, 3], candles[:, 4], candles[:, 2], timeperiod=period)
  
      return DI(PLUS_DI, MINUS_DI) if sequential else DI(PLUS_DI[-1], MINUS_DI[-1])
  