code: def cleanup_makefile():
      """Delete any leftover BUILD files from the Makefile build.
  
      These files could interfere with Bazel parsing.
      """
      makefile_download_dir = os.path.join(
          _TF_WORKSPACE_ROOT,
          "tensorflow",
          "contrib",
          "makefile",
          "downloads",
      )
      if os.path.isdir(makefile_download_dir):
          for root, _, filenames in os.walk(makefile_download_dir):
              for f in filenames:
                  if f.endswith("BUILD"):
                      os.remove(os.path.join(root, f))
  
imports: import argparse
  import errno
  import glob
  import json
  import os
  import platform
  import re
  import subprocess
  import sys
label_desc: Use image node_id 17 for calling a global function with example usage: cleanup_makefile() without return types