code: def _load(self):
      try:
          bar = next(self.biter)
      except StopIteration:
          return False
  
      self.l.datetime[0] = date2num(
          dt.datetime.strptime(bar["time"], "%Y-%m-%dT%H:%M:%SZ")
      )
  
      self.l.open[0] = bar["open"]
      self.l.high[0] = bar["high"]
      self.l.low[0] = bar["low"]
      self.l.close[0] = bar["close"]
      self.l.volume[0] = bar["volume"]
  
      return True
  
file_path: backtrader/backtrader/feeds/influxfeed.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import backtrader
  import backtrader.feed
  from ..utils import date2num
  import datetime
label_desc: Use image node_id 2 for calling the InfluxDB obj's underlying member method code with example usage: obj._load() and returns: True, False