code: def test_get_templates():
      """Test template getting."""
  
      env = branca.utilities.get_templates()
      assert isinstance(env, jinja2.environment.Environment)
  
imports: import json
  import os
  import branca.element
  import geopandas
  import jinja2
  import numpy
  import pandas
  import pytest
  import xyzservices.providers
  from jinja2 import Environment, PackageLoader
  from jinja2.utils import htmlsafe_json_dumps
  import folium
  from folium import TileLayer
  from folium.features import Choropleth, GeoJson
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_templates() without return types