code: def forward(self, x):
      return self.relu(self.bn(self.conv(x)))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle
  from paddle import nn
  import paddle.nn.functional
  from paddle import ParamAttr
  import os
  import sys
  import math
  from paddle.nn.initializer import TruncatedNormal, Constant, Normal
label_desc: Use image node_id 2 for calling the Conv_BN_ReLU obj's underlying member method code with example usage: obj.forward(x) and returns: self