code: def load_binunicode(self):
      (strlen,) = struct.unpack("<I", self.read(4))  # type: ignore[attr-defined]
      if strlen > sys.maxsize:
          raise Exception("String too long.")
      str_bytes = self.read(strlen)  # type: ignore[attr-defined]
      obj: Any
      try:
          obj = str(str_bytes, "utf-8", "surrogatepass")
      except UnicodeDecodeError as exn:
          if not self.catch_invalid_utf8:
              raise
          obj = FakeObject("builtin", "UnicodeDecodeError", (str(exn),))
      self.append(obj)
  
imports: import sys
  import pickle
  import struct
  import pprint
  import zipfile
  import fnmatch
  from typing import Any, IO, BinaryIO, Union
label_desc: Use image node_id 4 for calling the DumpUnpickler obj's underlying member method code with example usage: obj.load_binunicode() without return types