title: Django, choices option field
body: <p>i have a question about the choices option field.</p>
  
  <p>i have this field:</p>
  
  <pre><code>SECUENCIA = (
               ('1','1'),
               ('2','2'),
               ('3','3'),
  )
  secuencia = models.IntegerField(max_length=1,choices=SECUENCIA)
  </code></pre>
  
  <p>All is fine in my forms for add or update but in my show view (template display) the field just appear like "(None)" and dont show the value (1 or 2 or 3).</p>
  
  <p>Thanks :)</p>