code: def call(self, x):
      conv1 = self.conv1(x)
      conv_block2 = self.conv_block2(conv1)
      conv_block3 = self.conv_block3(conv_block2)
  
      return conv_block3
  
imports: import nnabla
  import nnabla.parametric_functions
  import nnabla.functions
  import numpy
  import pytest
  from helper import create_temp_with_dir
  from nnabla.testing import assert_allclose
label_desc: Use image node_id 2 for calling the TSTSeqInSeqNetWithName obj's underlying member method code with example usage: obj.call(x) and returns: conv_block3