code: def forward(self, input):
      return self.embedding(input)
  
file_path: ReAgent/reagent/test/models/test_no_soft_update_embedding.py
imports: import copy
  import unittest
  import numpy.testing
  import torch
  import torch.nn
  from reagent.models.no_soft_update_embedding import NoSoftUpdateEmbedding
label_desc: Use image node_id 2 for calling the Model obj's underlying member method code with example usage: obj.forward(input) and returns: self