code: def forward(self, inputs):
      y = self.conv(inputs)
      y = self.bn(y)
      y = self.relu(y)
      return y
  
file_path: PaddleOCR/ppocr/modeling/backbones/rec_shallow_cnn.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import numpy
  import paddle
  from paddle import ParamAttr
  import paddle.nn
  import paddle.nn.functional
  from paddle.nn import MaxPool2D
  from paddle.nn.initializer import KaimingNormal, Uniform, Constant
label_desc: Use image node_id 2 for calling the ConvBNLayer obj's underlying member method code with example usage: obj.forward(inputs) and returns: y