class_docstr: Implementation of GraphSage.
      
code: def forward(self, edge_index, feature):
      for conv in self.convs:
          feature = conv(edge_index, feature)
      feature = self.linear(feature)
      return feature
  
file_path: PGL/examples/gnn_depoly/models/graphsage.py
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from .base_conv import BaseConv
label_desc: Use image node_id 2 for calling the GraphSage obj's underlying member method code with example usage: obj.forward(edge_index, feature) and returns: feature