code: def fs_env(filesystem_loader):
      """returns a new environment."""
      return Environment(loader=filesystem_loader)
  
file_path: catboost/contrib/python/Jinja2/py2/tests/test_debug.py
imports: import pickle
  import re
  from traceback import format_exception
  import pytest
  from jinja2 import ChoiceLoader
  from jinja2 import DictLoader
  from jinja2 import Environment
  from jinja2 import TemplateSyntaxError
label_desc: Use image node_id 1 for calling a global function with example usage: fs_env(filesystem_loader) and returns: Environment