code: def _init_read(self):
      self._crc = zlib.crc32(b"")
      self._stream_size = 0
  
imports: import struct, sys, time, os
  import zlib
  import builtins
  import io
  import _compression
label_desc: Use image node_id 2 for calling the _GzipReader obj's underlying member method code with example usage: obj._init_read() without return types