code: def embed(self, inputs):
      return self._target_encoder(inputs)
  
file_path: euler/examples/line/line.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  import tf_euler
  from tf_euler.python.mp_utils.base_gnn import BaseGNNNet
  from tf_euler.python.mp_utils.base import SuperviseModel, UnsuperviseModel
label_desc: Use image node_id 2 for calling the Line obj's underlying member method code with example usage: obj.embed(inputs) and returns: self