code: def next(self):
      curdate = self.data.datetime.date()
      if curdate > self.curdate:
          self.elapsed += 1
          self.curdate = curdate
  
      dtstr = self.data.datetime.datetime().strftime(
          "%a %Y-%m-%d %H:%M:%S"
      )
      if self.position and self.elapsed == 2:
          print("%s: SELL CREATED" % dtstr)
          self.close(exectype=bt.Order.Close)
          self.elapsed = 0
      elif self.order is None and self.elapsed == 2:  # no pending order
          print("%s: BUY  CREATED" % dtstr)
          self.order = self.buy(exectype=bt.Order.Close)
          self.elapsed = 0
  
file_path: backtrader/samples/order-close/close-minute.py
imports: from __future__ import absolute_import, division, print_function
  import argparse
  import datetime
  import backtrader
  import backtrader.feeds
label_desc: Use image node_id 3 for calling the St obj's underlying member method code with example usage: obj.next() without return types