{% load i18n %}

<div class="d-flex justify-content-center">
<div class="btn-group btn-group-toggle" data-toggle="buttons">
    <label class="btn btn-secondary active">
        <input type="radio" name="_sources" id="default" autocomplete="off" checked> {% trans "Local" %}
    </label>
    {% for source_id, source_label in external_sources %}
    <label class="btn btn-secondary">
        <input type="radio" name="_sources" id="{{source_id}}" autocomplete="off"> {{source_label}}
    </label>
    {% endfor %}
</div>
</div>