code: def __setattr__(self, attr_name, value):
      setattr(self.actual_iterator, attr_name, value)
  
file_path: chainer/chainermn/iterators/synchronized_iterator.py
imports: import chainer
  import numpy
label_desc: Use image node_id 3 for calling the _SynchronizedIterator obj's underlying member method code with example usage: obj.__setattr__(attr_name, value) without return types