code: def __init__(self):
      btind.SMA()
      btind.Stochastic()
      btind.RSI()
      btind.MACD()
      btind.CCI()
      TestInd().plotinfo.plot = False
  
file_path: backtrader/samples/memory-savings/memory-savings.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import sys
  import backtrader
  import backtrader.feeds
  import backtrader.indicators
  import backtrader.utils.flushfile
label_desc: Use image node_id 1 to create a new St object from inherited base classes: bt with example: obj = St()