code: def __init__(self):
      sma1 = bt.ind.SMA(period=10)
      sma2 = bt.ind.SMA(period=30)
      crossover = bt.ind.CrossOver(sma1, sma2)
      self.signal_add(bt.SIGNAL_LONG, crossover)
  
imports: from datetime import datetime
  import backtrader
label_desc: Use image node_id 1 to create a new SmaCross object from inherited base classes: bt with example: obj = SmaCross()