Detail: variable from templatetag (python)

/** Templatetag **/

@register.simple_tag

def ret_last_comments(limit):

    from blog.models import Comment

    last_comm = Comment.objects.all().filter(status=1).order_by('-creation_date')[:limit]

    print last_comm

    return {'last_comm': last_comm }

/** Template **/

    <ul class="lc-ico">

    {% ret_last_comments 8 %}

    {% for comment in last_comm %}

			<li style="display: inline;background: none; margin: 0; padding: 0;">

			    <a href="" class="a-ico">*

			        <!--{% gravatar comment.author_email 44 "g" "not_gravatar.png" %}-->

			    </a>

			</li>

    {% empty %}

        <li>{{ _('No comments yet') }}</li>

    {% endfor %}

    </ul>