code: def etreefx(request):
      """Fixture allowing to test with builtin etree and lxml"""
      if request.param == "etree":
          etree.to_etree()
      if request.param == "lxml":
          etree.to_lxml()
  
imports: import sys
  import pytest
  import pygal
  from pygal.etree import etree
  from .None import get_data
label_desc: Use image node_id 1 for calling a global function with example usage: etreefx(request) without return types