{% macro render_field(field, show_error_list=True) %}
  <div {% if show_error_list and field.errors %}class="error"{% endif %}>
    {{ field.label }}
    {{ field(**kwargs)|safe }}
    {% if show_error_list and field.errors %}
      <ul class="errors_list">
        {% for error in field.errors %}<li>{{ error }}{% endfor %}
      </ul>
    {% endif %}
  </div>
{% endmacro %}