code: def _preInit(
      self,
  ):  # Can't depend on inherited since the shape is different
      fileNumber = 0
      while (
          os.path.isfile(
              diskself.disknamename + str(fileNumber) + "memmap"
          )
          == false
      ):
          fileNumber = fileNumber + 1
      else:
          self.fileName = self.diskname + str(fileNumber)
      numpyMemmap = np.memmap(
          self.fileName,
          dtype=datatype,
          mode="w+",
          shape=(total_classes, total_classes),
      )
      np.save(self.fileName + ".cpy", numpyMemmap, allow_pickle=True)
      del numpyMemmap
      os.remove(self.fileName)
  
imports: import numpy
  import cupy
  import torch
  import os
  from torch.utils.dlpack import to_dlpack
  from torch.utils.dlpack import from_dlpack
label_desc: Use image node_id 2 for calling the COMMM obj's underlying member method code with example usage: obj._preInit() without return types