[Answer]-How to convert the foreign key id to the value – Django

The answer is to implement the method natural_key(self) in HadoopDistributor

So

def natural_key(self):
  return self.name

On a side note for __unicode__ and __str__ you should really implement:

 def __unicode__(self):
   return self.name

 def __str__(self):
   return unicode(self).encode('utf-8')