django form: how to check out checkbox state in template

Question

I have a form with checkboxes that works fine, but when the user submits the form with errors and my checkbox is checked I need to change div class which holds the checkbox. So

Answer 1

Work for me:

{% for foo in form.tags %}
  
    
{% endfor %}

That:

{% if foo.choice_value in foo.value %}checked="checked"{% endif %}