code: def engine(request):
      return request.param
  
imports: import pytest
  import plotly.io.json
  import plotly.graph_objects
  import plotly.express
  import numpy
  import pandas
  import json
  import datetime
  import re
  import sys
  import warnings
  from pytz import timezone
  from _plotly_utils.optional_imports import get_module
label_desc: Use image node_id 7 for calling a global function with example usage: engine(request) and returns: request