code: def donew(cls, *args, **kwargs):
      _obj, args, kwargs = super(MetaObserver, cls).donew(
          *args, **kwargs
      )
      _obj._analyzers = list()  # keep children analyzers
  
      return _obj, args, kwargs
  
file_path: backtrader/backtrader/observer.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  from .lineiterator import LineIterator, ObserverBase, StrategyBase
  from backtrader.utils.py3 import with_metaclass
label_desc: Use image node_id 1 for calling the MetaObserver obj's underlying member method code with example usage: obj.donew(cls) and returns: _obj,  args,  kwargs