code: def cat(*args):
      return TS.cat(args)
  
file_path: torch-points3d/torch_points3d/modules/SparseConv3d/nn/torchsparse.py
imports: import torch
  import torchsparse
  import torchsparse.nn
label_desc: Use image node_id 1 for calling a global function with example usage: cat() and returns: TS