code: def normalize_whitespace(file_paths):
      """Make sure that the whitespace for .py files have been normalized."""
      reindent.makebackup = False  # No need to create backups.
      fixed = [
          path
          for path in file_paths
          if (
              path.endswith(".py")
              and path not in _PYTHON_FILES_WITH_TABS
              and reindent.check(os.path.join(SRCDIR, path))
          )
      ]
      return fixed
  
imports: import re
  import sys
  import shutil
  import os.path
  import subprocess
  import sysconfig
  import reindent
  import untabify
label_desc: Use image node_id 10 for calling a global function with example usage: normalize_whitespace(file_paths) and returns: fixed