code: def forward(self, x):
      residual = x
      out = self.conv1(x)
      out = self.bn1(out)
      out = self.relu(out)
      out = self.conv2(out)
      out = self.bn2(out)
  
      if self.downsample is not None:
          residual = self.downsample(x)
      out += residual
      out = self.relu(out)
      return out
  
file_path: PaddleOCR/ppocr/modeling/backbones/rec_resnet_aster.py
imports: import paddle
  import paddle.nn
  import sys
  import math
label_desc: Use image node_id 2 for calling the AsterBlock obj's underlying member method code with example usage: obj.forward(x) and returns: out