class_docstr: Helper utils for Workflow Archiver tool.
  This class lists out all the methods such as validations for workflow archiving.
code: def clean_temp_files(temp_files):
      for f in temp_files:
          os.remove(f)
  
imports: import logging
  import os
  import re
  import zipfile
  import shutil
  import tempfile
  from .workflow_archiver_error import WorkflowArchiverError
  from .manifest_components.manifest import Manifest
  from .manifest_components.workflow import Workflow
label_desc: Use image node_id 5 for calling the WorkflowExportUtils obj's underlying member method code with example usage: obj.clean_temp_files(temp_files) without return types