code: def next_open(self):
      if not self.cheating:
          return
      self.operate(fromopen=True)
  
file_path: backtrader/samples/cheat-on-open/cheat-on-open.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import datetime
  import backtrader
label_desc: Use image node_id 5 for calling the St obj's underlying member method code with example usage: obj.next_open() without return types