class_docstr: PNG chunk container (for use with save(pnginfo=))
class_docstr_tok: ["PNG","chunk","container","(","for","use","with","save","(","pnginfo=",")",")"]
code: def __init__(self):
      self.chunks = []
  
imports: import logging
  import re
  import struct
  import zlib
  from .None import Image, ImageFile, ImagePalette
  from ._binary import i8, i16be, i32be, o16be, o32be
  from ._util import py3
label_desc: Use image node_id 1 to create a new PngInfo object from inherited base classes: object with example: obj = PngInfo()