code: def __init__(self, fno):
      self.fno = fno
      self.keep_cache = False
      self.direct_io = False
  
imports: import errno
  import locale
  import logging
  import os
  import stat
  import sys
  import time
  from optparse import Option, OptionParser
  import nibabel
  import nibabel.dft
label_desc: Use image node_id 1 to create a new FileHandle object  with example: obj = FileHandle(fno)