code: def _adapt_timestamp(dt):
      """Adapt datetime to text"""
      return ensure_timezone(dt).isoformat()
  
imports: import json
  import os
  from datetime import datetime
  from dateutil.parser import parse
  from tornado import ioloop
  from traitlets import Dict, Instance, List, Unicode
  from ..util import ensure_timezone, extract_dates
  from .dictdb import BaseDB
label_desc: Use image node_id 5 for calling a global function with example usage: _adapt_timestamp(dt) and returns: ensure_timezone