class_docstr: Contructor 
class_docstr_tok: ["Contructor"]
code: def __init__(self, store_file):
      if not os.path.exists(store_file):
          exit("Error: file not found - " + store_file)
      self.store = h5py.File(store_file)
  
file_path: deepchem/examples/roitberg/pyanitools.py
imports: import h5py
  import numpy
  import platform
  import os
label_desc: Use image node_id 1 to create a new anidataloader object from inherited base classes: object with example: obj = anidataloader(store_file)