title: Django Choice Field default based on index of queryset
body: <p>Good day SO.</p>
  <p>I would like to set my select option default of index 0.</p>
  <p>This is how I create my form:</p>
  <pre><code>SOME_CHOICES = []
  
  someObj = SomeModel.objects.filter(type = 1, is_active=True).order_by('id')
  for x in enumerate(someObj):
      SOME_CHOICES.append([x.id, x.salary_range_name])
  
  
  some_field = forms.ChoiceField(choices=SOME_CHOICES)
  </code></pre>
  <p>As you can see, I create my choices based on model with filter type of 1. I would like to have the default of the option as the first/index 0</p>