code: def filesystem_loader():
      """returns FileSystemLoader initialized to res/templates directory"""
      try:
          import yatest.common
  
          here = yatest.common.test_source_path()
      except ImportError:
          here = os.path.dirname(os.path.abspath(__file__))
      return loaders.FileSystemLoader(here + "/res/templates")
  
file_path: catboost/contrib/python/Jinja2/py2/tests/conftest.py
imports: import os
  import pytest
  from jinja2 import Environment
  from jinja2 import loaders
  from jinja2.utils import have_async_gen
label_desc: Use image node_id 5 for calling a global function with example usage: filesystem_loader() and returns: loaders