title: django Choice list (dynamic choices)
body: <p>i have a choices list :</p>
  <pre><code>CATEGORY_CHOICES = (
  (&quot;T-shirts&quot;, &quot;T-shirts&quot;),
  (&quot;Hoodies&quot;, &quot;Hoodies&quot;),
  (&quot;Shorts&quot;, &quot;Shorts&quot;),
  </code></pre>
  <p>)</p>
  <p>but i want to make this list dynamic so i can add and delete choices ,i created a new model <strong>Category</strong>
  what i want to do is something like this :</p>
  <pre><code>CATEGORY_CHOICES = (
  for choice in Category.object.all():
      (choice.category, &quot;choice.category&quot;),
   )
  </code></pre>
  <p>but it doesn't seems to work</p>