code: def rmtree(path):
      
  
      def onerror(func, path, exc_info):
          # Is the error an access error ?
          os.chmod(path, stat.S_IWUSR)
  
          try:
              func(path)  # Will scream if still not possible to delete.
          except Exception as ex:
              if HIDE_WINDOWS_KNOWN_ERRORS:
                  raise SkipTest("FIXME: fails with: PermissionError\n  %s", ex)
              else:
                  raise
  
      return shutil.rmtree(path, False, onerror)
docs: Remove the given recursively.
  
      :note: we use shutil rmtree but adjust its behaviour to see whether files that
          couldn't be deleted are read-only. Windows will not remove them in that case