code: def test_recursive_empty_loop_iter(self, test_env_async):
      t = test_env_async.from_string(
          """
          {%- for item in foo recursive -%}{%- endfor -%}
          """
      )
      assert t.render(dict(foo=[])) == ""
  
imports: import asyncio
  import pytest
  from jinja2 import DictLoader
  from jinja2 import Environment
  from jinja2 import Template
  from jinja2.asyncsupport import auto_aiter
  from jinja2.exceptions import TemplateNotFound
  from jinja2.exceptions import TemplatesNotFound
  from jinja2.exceptions import UndefinedError
label_desc: Use image node_id 21 for calling the TestAsyncForLoop obj's underlying member method code with example usage: obj.test_recursive_empty_loop_iter(test_env_async) without return types