class_docstr: Base class for viewers.
class_docstr_tok: ["Base","class","for","viewers","."]
docstr: Return format name, or None to save as PGM/PPM
docstr_tok: ["Return","format","name",",","or","None","to","save","as","PGM\/PPM"]
code: def get_format(self, image):
      """Return format name, or None to save as PGM/PPM"""
      return self.format
  
file_path: catboost/contrib/python/Pillow/py2/PIL/ImageShow.py
imports: from __future__ import print_function
  import os
  import subprocess
  import sys
  import tempfile
  from PIL import Image
label_desc: Use image node_id 2 for calling the Viewer obj's underlying member method code with example usage: obj.get_format(image) and returns: self