class_docstr: An intermediate representation for DL graph.
code: def remove_node(self, name):
      return self.node_dict.pop(name)
  
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 5 for calling the Graph obj's underlying member method code with example usage: obj.remove_node(name) and returns: self