code: def __init__(self, errno, message="", filename=None):
      super(CustomFsError, self).__init__(message)
      self.errno = errno
      self.strerror = os.strerror(errno)
      self.filename = filename
  
imports: import codecs
  import errno
  import logging
  import os
  import random
  import shutil
  import six
  import stat
  import sys
  import library.python.func
  import library.python.strings
  import library.python.windows
label_desc: Use image node_id 1 to create a new CustomFsError object from inherited base classes: OSError with example: obj = CustomFsError(errno, message, filename)