class_docstr: Logger for writing NumPy arrays as PNG images to disk.
  
  Assumes that all data passed are NumPy arrays that can be converted to images.
  
  TODO(jaslanides): Make this stateless/robust to preemptions.
class_docstr_tok: ["Logger","for","writing","NumPy","arrays","as","PNG","images","to","disk",".","Assumes","that","all","data","passed","are","NumPy","arrays","that","can","be","converted","to","images",".","TODO","(","jaslanides",")",":","Make","this","stateless\/robust","to","preemptions","."]
code: def close(self):
      pass
  
file_path: acme/acme/utils/loggers/image.py
imports: import collections
  import pathlib
  from typing import Optional
  from absl import logging
  from acme.utils.loggers import base
  from PIL import Image
label_desc: Use image node_id 3 for calling the ImageLogger obj's underlying member method code with example usage: obj.close() without return types