code: def next(self):
      if not self.position and self.crossup > 0:
          # not in the market and signal triggered
          self.buy()
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import datetime
  import backtrader
label_desc: Use image node_id 2 for calling the ManualStopOrStopTrail obj's underlying member method code with example usage: obj.next() without return types