class_docstr: An intermediate representation for DL operations.
code: def create(op, **kwargs):
      node_pb2 = NodeDef()
      node_pb2.op = op
      for k, v in kwargs.items():
          assign_attr_value(node_pb2.attr[k], v)
      return Node(node_pb2)
  
imports: import six
  from six import string_types
  from mmdnn.conversion.caffe.errors import ConversionError
  from mmdnn.conversion.common.IR.graph_pb2 import GraphDef, NodeDef, TensorShape
  from mmdnn.conversion.caffe.utils import get_real_name
label_desc: Use image node_id 2 for calling the Node obj's underlying member method code with example usage: obj.create(op) and returns: Node