code: def forward(self, x):
      x = self.act(self.emb(x))
      return x
  
imports: from torch_cluster import radius_graph
  from torch_geometric.nn import GraphConv, GraphNorm
  from torch_geometric.nn import inits
  from torch_scatter import scatter, scatter_min
  from torch.nn import Embedding
  import torch
  from torch import nn
  from torch import Tensor
  import torch.nn.functional
  import math
  from math import sqrt
label_desc: Use image node_id 3 for calling the EmbeddingBlock obj's underlying member method code with example usage: obj.forward(x) and returns: x