code: def __init__(self):
      self.cheating = self.cerebro.p.cheat_on_open
      mas = [self.p.matype(period=x) for x in self.p.periods]
      self.signal = bt.ind.CrossOver(*mas)
      self.order = None
  
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 1 to create a new St object from inherited base classes: bt with example: obj = St()