class_docstr: Minimal read-only file object that prepends a string to the contents
  of an actual file. Shouldn't be used outside of gzip.py, as it lacks
  essential functionality.
code: def seekable(self):
      return True
  
imports: import struct, sys, time, os
  import zlib
  import builtins
  import io
  import _compression
label_desc: Use image node_id 5 for calling the _PaddedFile obj's underlying member method code with example usage: obj.seekable() and returns: True