gistfile1.txt

		{% for vendor in vendor_list %}
			<div class="col-lg-3 col-sm-4 col-xs-6">
				{% if vendor.logo %}
				    test
					<img class=".img-fluid" src="data:image/png;base64,{{ vendor.logo }}">
				{% else %}
					<img src="https://placeholdit.imgix.net/~text?txtsize=20&txt=THMBN&w=120&h=120"></img>
				{% endif %}
				<h3><a href="{% url 'catalog:detail' vendor.id %}">{{ vendor.name }}</a></h3>
				<h5>{{ vendor.brief }}</h5>
			</div>		
		{% endfor %}