title: django translation can't decode
body: <p>in django.po i have this . </p>
  
  <pre><code>msgid "%(message)s come from weixiang http:///www.iweix.cn "
  msgstr "%(message)s 来自微X http:///www.iweix.cn"
  </code></pre>
  
  <p>and in view i have , (i have add # -<em>- coding: utf-8 -</em>-) . </p>
  
  <pre><code>sina_weibo_post(self.user,_("%(message)s come from weixiang http:///www.iweix.cn ")%{"message":self.photo.desc},photo_adr)
  </code></pre>
  
  <p>i got the error:</p>
  
  <pre><code>sina_weibo_post(self.user,_("%(message)s come from weixiang http:///www.iweix.cn")%{"message":self.photo.desc},photo_adr)
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xe6 in position 12: ordinal not in range(128)
  </code></pre>
  
  <p>how can i solve it ?thanks . </p>