Django:字段错误未知字段

Emi*_*ile 14 django django-errors

我刚刚安装了OS X Lion,所以我不得不重新安装Python2.7的所有内容.在这样做时,我将我的Django从1.2.3升级到1.3.当我尝试运行服务器时,我得到一个奇怪的字段错误,我很难解密.

FieldError at /
Unknown field(s) (a, m, s, e, g) specified for Note
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这是模型和形式:

class Note(models.Model):
    pub_date = models.DateTimeField(default=datetime.now, 
        auto_now_add=True, db_index=True)
    user = models.ForeignKey(User, null=True, blank=True, related_name="writers")
    to = models.ForeignKey(User, null=True, blank=True, related_name="tost")
    message = models.CharField(default='', max_length=140)
    active = models.BooleanField(default=True)

class NoteForm(forms.ModelForm):
    class Meta:
        model = Note
        fields = ('message')

    message = forms.CharField(
        label=_("Sign the Guestbook"),
        widget=forms.Textarea,
        required=True)
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S.L*_*ott 38

尝试

    fields = ('message',)
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创建只包含一个元素的元组.