class_docstr: Compressed Sparse Tensor 
class_docstr_tok: ["Compressed","Sparse","Tensor"]
code: def add(self, b):
      assert self.dense_size == b.dense_size
      self.indices = torch.cat([self.indices, b.indices])
      self.values = torch.cat([self.values, b.values])
  
file_path: H2O/h2o_flexgen/benchmark/third_party/DeepSpeed/deepspeed/runtime/sparse_tensor.py
imports: import torch
label_desc: Use image node_id 6 for calling the SparseTensor obj's underlying member method code with example usage: obj.add(b) without return types