code: def forward(self, x):
      h = self.conv1(x.transpose((0, 2, 1))).transpose((0, 2, 1))
      h = h + x
      h = self.relu(h)
      h = self.conv2(h)
      return h
  
imports: import paddle
  import paddle.nn
  from paddle.nn import functional
  from paddleseg.utils import utils
  from paddleseg.models import layers
  from paddleseg.cvlibs import manager
label_desc: Use image node_id 2 for calling the GCN obj's underlying member method code with example usage: obj.forward(x) and returns: h