code: def test_simple(self, env):
      tmpl = env.get_template("test.html")
      assert tmpl.render().strip() == "BAR"
      pytest.raises(TemplateNotFound, env.get_template, "missing.html")
  
file_path: catboost/contrib/python/Jinja2/py3/tests/test_bytecode_cache.py
imports: import pytest
  from jinja2 import Environment
  from jinja2.bccache import Bucket
  from jinja2.bccache import FileSystemBytecodeCache
  from jinja2.bccache import MemcachedBytecodeCache
  from jinja2.exceptions import TemplateNotFound
label_desc: Use image node_id 1 for calling the TestByteCodeCache obj's underlying member method code with example usage: obj.test_simple(env) without return types