title: How to detect if CloudinaryField in django model is empty in template
body: <pre><code>picture = CloudinaryField('image', blank = True, null = True)
  </code></pre>
  
  <p>I have the above line in my django models file. And I am rendering the picture in my template with the cloudinary tag</p>
  
  <pre><code>{% cloudinary "filename" %}
  </code></pre>
  
  <p>But in cases where the model objects don't contain the picture, I want to forgo the template tag. Right now, my template renders a empty image if the model instance doesn't have a picture. </p>
  
  <p>How can I detect if the model instance contains a picture, so that I can render it selectively using the `</p>
  
  <pre><code>{% if condition %}
  </code></pre>