code: def __call__(self, x):
      return self.conv2(gelu(self.conv1(x)))
  
imports: import json
  import os
  import sys
  import jax.numpy
  import numpy
  import objax
  from objax.variable import TrainVar
label_desc: Use image node_id 2 for calling the MLP obj's underlying member method code with example usage: obj.__call__(x) and returns: self