code: def testPLUS_DI(self):
      barDs = self.__loadBarDS()
      self.assertAmountsAreEqual(
          indicator.PLUS_DI(barDs, 252, 14)[14], 20.3781
      )
      self.assertAmountsAreEqual(
          indicator.PLUS_DI(barDs, 252, 14)[14 + 13], 22.1073
      )
      self.assertAmountsAreEqual(
          indicator.PLUS_DI(barDs, 252, 14)[14 + 14], 20.3746
      )
      self.assertAmountsAreEqual(
          indicator.PLUS_DI(barDs, 252, 14)[-1], 21.0000
      )
  
imports: import datetime
  import talib
  from six.moves import xrange
  from .None import common
  from pyalgotrade.talibext import indicator
  from pyalgotrade import bar
  from pyalgotrade import dataseries
  from pyalgotrade.dataseries import bards
label_desc: Use image node_id 38 for calling the TestCase obj's underlying member method code with example usage: obj.testPLUS_DI() without return types