code: def testZeroDivision(self):
      highPrices = [1, 1, 1]
      lowPrices = [1, 1, 1]
      closePrices = [1, 1, 1]
  
      barDS = bards.BarDataSeries()
      stochFilter = stoch.StochasticOscillator(barDS, 2, 2)
      self.__fillBarDataSeries(
          barDS, closePrices, highPrices, lowPrices
      )
      self.assertEqual(stochFilter[-1], 0)
  
file_path: pyalgotrade/testcases/technical_stoch_test.py
imports: import datetime
  from six.moves import xrange
  from .None import common
  from pyalgotrade.technical import stoch
  from pyalgotrade.dataseries import bards
  from pyalgotrade import bar
label_desc: Use image node_id 7 for calling the TestCase obj's underlying member method code with example usage: obj.testZeroDivision() without return types