code: def _assert_model_file_identifier(model_file):
      """Checks if a model file has the expected TFLite schema identifier."""
      _assert_file_exist(model_file)
      with _open_file(model_file, "rb") as f:
          _assert_model_buffer_identifier(f.read())
  
imports: import copy
  import inspect
  import io
  import json
  import logging
  import os
  import shutil
  import sys
  import tempfile
  from typing import Dict, Optional
  import warnings
  import zipfile
  import flatbuffers
  from mediapipe.tasks.cc.metadata.python import _pywrap_metadata_version
  from mediapipe.tasks.metadata import metadata_schema_py_generated
  from mediapipe.tasks.metadata import schema_py_generated
  from mediapipe.tasks.python.metadata.flatbuffers_lib import _pywrap_flatbuffers
label_desc: Use image node_id 8 for calling a global function with example usage: _assert_model_file_identifier(model_file) without return types