code: def _jupyter_html_export_enabled():
      return os.environ.get("PSP_JUPYTER_HTML_EXPORT", None) == "1"
  
imports: import base64
  import jinja2
  import json
  import os
  from datetime import date, datetime
  from functools import partial
  import numpy
  import pandas
  from ipywidgets import DOMWidget
  from traitlets import Unicode, observe
  from ..core._version import __version__
  from ..core.data import deconstruct_pandas
  from ..core.exception import PerspectiveError
  from ..libpsp import is_libpsp
  from ..viewer import PerspectiveViewer
label_desc: Use image node_id 4 for calling a global function with example usage: _jupyter_html_export_enabled() and returns: unknown