{% extends "formly/design/survey_edit_base.html" %}

{% load bootstrap_tags %}

{% block body %}

<header class="jumbotron subhead" id="overview">
  <h1>Modify Choice</h1>
  <p class="lead">Configure the choice.</p>
</header>

<form action="{% url "formly:choice_update" pk=choice.pk %}" method="post">
    {% csrf_token %}
    <fieldset>
        {{ form|as_bootstrap }}
    </fieldset>
    <div class="form-actions">
        <button type="submit" class="btn btn-primary">Save</button>
        <a class="btn" href="{{ choice.field.page.get_absolute_url }}">Cancel</a>
    </div>
</form>

{% endblock %}

{% extends "formly/design/survey_edit_base.html" %}

{% load bootstrap %}

{% block body %}

<header class="jumbotron subhead" id="overview">
  <h1>Modify Choice</h1>
  <p class="lead">Configure the choice.</p>
</header>

<form action="{% url "formly:choice_update" pk=choice.pk %}" method="post">
    {% csrf_token %}
    <fieldset>
        {{ form|bootstrap }}
    </fieldset>
    <div class="form-actions">
        <button type="submit" class="btn btn-primary">Save</button>
        <a class="btn" href="{{ choice.field.page.get_absolute_url }}">Cancel</a>
    </div>
</form>

{% endblock %}

Revise template for pinax-theme-bootstrap removal
Revise template for pinax-theme-bootstrap removal
