code: def next(self):
      dtequal = (
          self.data0.datetime.datetime()
          == self.data1.datetime.datetime()
      )
  
      txt = ""
      txt += "%04d, %5s" % (len(self), str(dtequal))
      txt += ", data0, %s" % self.data0.datetime.datetime().isoformat()
      txt += ", %s, data1" % self.data1.datetime.datetime().isoformat()
      print(txt)
  
file_path: backtrader/samples/weekdays-filler/weekdaysaligner.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import datetime
  import backtrader
  import backtrader.feeds
  import backtrader.indicators
  import backtrader.utils.flushfile
  from weekdaysfiller import WeekDaysFiller
label_desc: Use image node_id 2 for calling the St obj's underlying member method code with example usage: obj.next() without return types