code: def decode_source(source_bytes):
      
      # source_bytes_readline = io.BytesIO(source_bytes).readline
      # encoding, _ = detect_encoding(source_bytes_readline)
      newline_decoder = io.IncrementalNewlineDecoder(None, True)
      return newline_decoder.decode(source_to_unicode(source_bytes))
docs: Decode bytes representing source code and return the string.
      Universal newline support is used in the decoding.