code: def testPeriod1_TypicalPrice(self):
      barFeed = self.__getFeed()
      bars = barFeed[VWAPTestCase.Instrument]
      vwap_ = vwap.VWAP(bars, 1, True)
      barFeed.loadAll()
      for i in xrange(len(bars)):
          self.assertEqual(
              round(bars[i].getTypicalPrice(), 5), round(vwap_[i], 5)
          )
  
file_path: pyalgotrade/testcases/technical_vwap_test.py
imports: from six.moves import xrange
  from .None import common
  from pyalgotrade.technical import vwap
  from pyalgotrade.barfeed import yahoofeed
label_desc: Use image node_id 3 for calling the VWAPTestCase obj's underlying member method code with example usage: obj.testPeriod1_TypicalPrice() without return types