class_docstr: Implement of TransformerConv
class_docstr_tok: ["Implement","of","TransformerConv"]
code: def forward(self, graph, feature):
      for m in self.trans:
          feature = m(graph, feature)
      return feature
  
imports: import pgl
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 2 for calling the Transformer obj's underlying member method code with example usage: obj.forward(graph, feature) and returns: feature