code: def test_recursive_lookaround(self, test_env_async):
      tmpl = test_env_async.from_string(
          """{% for item in seq recursive -%}
              [{{ loop.previtem.a if loop.previtem is defined else 'x' }}.{{
              item.a }}.{{ loop.nextitem.a if loop.nextitem is defined else 'x'
              }}{% if item.b %}<{{ loop(item.b) }}>{% endif %}]
          {%- endfor %}"""
      )
      assert (
          tmpl.render(
              seq=[
                  dict(a=1, b=[dict(a=1), dict(a=2)]),
                  dict(a=2, b=[dict(a=1), dict(a=2)]),
                  dict(a=3, b=[dict(a="a")]),
              ]
          )
          == "[x.1.2<[x.1.2][1.2.x]>][1.2.3<[x.1.2][1.2.x]>][2.3.x<[x.a.x]>]"
      )
  
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 12 for calling the TestAsyncForLoop obj's underlying member method code with example usage: obj.test_recursive_lookaround(test_env_async) without return types