Django bootstrap includable file for forms with better checkboxes

bootstrap_form_include.html

{% load widget_tweaks %}

{% for hidden_field in form.hidden_fields %}
  {{ hidden_field }}
{% endfor %}

{% if form.non_field_errors %}
  <div class="alert alert-danger" role="alert">
    {% for error in form.non_field_errors %}
      {{ error }}
    {% endfor %}
  </div>
{% endif %}

{% for field in form.visible_fields %}
  <div class="form-group">
    {% if field.field.widget.input_type != "checkbox" %}
      {{ field.label_tag }}
    {% endif %}
    {% if form.is_bound %}
      {% if field.errors %}
        {% render_field field class="form-control is-invalid" %}
        {% for error in field.errors %}
          <div class="invalid-feedback">
            {{ error }}
          </div>
        {% endfor %}
      {% else %}
        {% render_field field class="form-control is-valid" %}
      {% endif %}
    {% else %}
      {% if field.field.widget.input_type != "checkbox" %}
        {% render_field field class="form-control" %}
      {% else %}
        {% render_field field class="" %} {{ field.label_tag }}
      {% endif %}
    {% endif %}

    {% if field.help_text %}
      <small class="form-text text-muted">{{ field.help_text }}</small>
    {% endif %}
  </div>
{% endfor %}