title: create a choice form in django that contains unicode
body: <p>i have this choice form :</p>
  
  <pre><code>class rqtime(forms.ChoiceField):
  
      def __init__(self, *args, **kwargs):
          super(rqtime, self).__init__(*args, **kwargs)
          self.required = True
          self.initial = True    
          self.choices=(('1','my_unicode'),('2','soon'),('3','1day'),('4','1week'),('5','3week'))
          global mydic
          mydic=dict(self.choices)
  
      def clean(self, value):
          return mydic[value]
  </code></pre>
  
  <p>i used <code>from __future__ import unicode_literals</code> and <code>-*-coding:utf-8-*-</code> but after runserver this is the raised error from <code>'my_unicode'</code>: </p>
  
  <pre><code>SyntaxError: Non-ASCII character '\xd9'
  </code></pre>
  
  <p>how can i decode an unicode in form django !  </p>