code: def test_reuse_blocks(self, env):
      tmpl = env.from_string(
          "{{ self.foo() }}|{% block foo %}42{% endblock %}|{{ self.foo() }}"
      )
      assert tmpl.render() == "42|42|42"
  
imports: import pytest
  from jinja2 import DictLoader
  from jinja2 import Environment
  from jinja2 import TemplateRuntimeError
label_desc: Use image node_id 8 for calling the TestInheritance obj's underlying member method code with example usage: obj.test_reuse_blocks(env) without return types