code: def decompress(data):
      """Decompress a block of data.
  
      For incremental decompression, use a BZ2Decompressor object instead.
      """
      results = []
      while data:
          decomp = BZ2Decompressor()
          try:
              res = decomp.decompress(data)
          except OSError:
              if results:
                  break  # Leftover data is not a valid bzip2 stream; ignore it.
              else:
                  raise  # Error on the first iteration; bail out.
          results.append(res)
          if not decomp.eof:
              raise ValueError(
                  "Compressed data ended before the "
                  "end-of-stream marker was reached"
              )
          data = decomp.unused_data
      return b"".join(results)
  
imports: from builtins import open
  import io
  import os
  import _compression
  from _bz2 import BZ2Compressor, BZ2Decompressor
label_desc: Use image node_id 3 for calling a global function with example usage: decompress(data) and returns: bytes