class_docstr: CoreML internal representation of a torch IR block.
  
  Arguments:
      raw_block: The torch._C.Block to convert, or None.
      parent: The InternalTorchIRNode this block belongs to.
      nodes: If @raw_block is None, the list of InternalTorchIRNodes in the block
      inputs: If @raw_block is None, the list of input symbols.
      outputs: If @raw_block is None, the list of output symbols.
code: def __repr__(self):
      return str(self)
  
imports: from collections import OrderedDict
  from itertools import islice
  import torch
label_desc: Use image node_id 3 for calling the InternalTorchIRBlock obj's underlying member method code with example usage: obj.__repr__() and returns: str