code: def check_existence(filename):
      """Check the existence of file or dir."""
      if not os.path.exists(filename):
          raise RuntimeError("%s not found." % filename)
  
file_path: tensorflow-upstream/tensorflow/tools/ci_build/copy_binary.py
imports: import argparse
  import os
  import re
  import shutil
  import tempfile
  import zipfile
label_desc: Use image node_id 1 for calling a global function with example usage: check_existence(filename) without return types