class_docstr: Base class for image file format handlers.
docstr: Check file integrity
docstr_tok: ["Check","file","integrity"]
code: def verify(self):
      """Check file integrity"""
  
      # raise exception if something's wrong.  must be called
      # directly after open, and closes file when finished.
      if self._exclusive_fp:
          self.fp.close()
      self.fp = None
  
imports: import io
  import itertools
  import struct
  import sys
  from .None import Image
  from ._util import isPath
label_desc: Use image node_id 3 for calling the ImageFile obj's underlying member method code with example usage: obj.verify() without return types