code: def forward(self, x):
      x = F.relu(self.conv1x1(x))
      x = F.relu(self.conv3x3(x))
      x = self.deconv(x)
      return x
  
file_path: PaddleOCR/ppocr/modeling/necks/fpn_unet.py
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 2 for calling the UpBlock obj's underlying member method code with example usage: obj.forward(x) and returns: x