code: def testBaseBarFeed(self):
      barFeed = ninjatraderfeed.Feed(ninjatraderfeed.Frequency.MINUTE)
      barFeed.addBarsFromCSV(
          "spy", common.get_data_file_path("nt-spy-minute-2011.csv")
      )
      barfeed_test.check_base_barfeed(self, barFeed, False)
  
file_path: pyalgotrade/testcases/ninjatraderfeed_test.py
imports: import datetime
  from .None import common
  from .None import barfeed_test
  from .None import feed_test
  from pyalgotrade.barfeed import ninjatraderfeed
  from pyalgotrade import marketsession
  from pyalgotrade import bar
  from pyalgotrade.utils import dt
label_desc: Use image node_id 8 for calling the NinjaTraderTestCase obj's underlying member method code with example usage: obj.testBaseBarFeed() without return types