docstr: Wrapper to close HDF5 file
          
docstr_tok: ["Wrapper","to","close","HDF5","file"]
code: def cleanup(self):
      """Wrapper to close HDF5 file"""
      self.store.close()
  
file_path: deepchem/examples/roitberg/pyanitools.py
imports: import h5py
  import numpy
  import platform
  import os
label_desc: Use image node_id 3 for calling the datapacker obj's underlying member method code with example usage: obj.cleanup() without return types