class_docstr: Base class for static graph construction.
class_docstr_tok: ["Base","class","for","static","graph","construction","."]
code: def add_vocab(self, **kwargs):
      raise NotImplementedError()
  
imports: import numpy
  import torch
  import torch.nn.functional
  from scipy import sparse
  from torch import nn
  from ..utils.constants import INF, VERY_SMALL_NUMBER
  from ..utils.generic_utils import normalize_adj, sparse_mx_to_torch_sparse_tensor
label_desc: Use image node_id 2 for calling the StaticGraphConstructionBase obj's underlying member method code with example usage: obj.add_vocab() without return types