Django inline issue

I made a line named Fooinline. This inline worked fine in Django 1.02, but as soon as I upgraded to Django 1.1 it started throwing an error:

**TypeError at /admin/casd/aaas/4028cb901dd9720a011deadd85e8007f/
__init__() got an unexpected keyword argument 'request'**

      

        
        
        
      

    

My Fooinline

code:

class FooInline(InlineModelAdmin):

 template = 'admin/edit_inline/tabular2.html'

 def formfield_for_dbfield(self,db_field, **kwargs):
#    if isinstance(db_field, (models.ForeignKey, models.ManyToManyField)):
#        BaseModelAdmin.formfield_for_dbfield(self, db_field, **kwargs)
#    else:
     kwargs['widget'] = FlatTextWidget
     return db_field.formfield(**kwargs)

      

        
        
        
      

    

And mine FlatTextWidget

is

class FlatTextWidget(HiddenInput):
 def __init__(self, attrs=None):
     if attrs is not None:
         self.attrs = attrs.copy()
         super(Widget, self).__init__(attrs)
     else:
         self.attrs = {}
         super(Widget, self).__init__()

def render(self, name, value, attrs=None):
    real_field = super(HiddenInput, self).render(name, value, attrs)
    x = value
    if x is None:
        x = ''
    return mark_safe( '%s%s' % (real_field, x) )

def _has_changed(self, initial, data):
    return False

      

        
        
        
      

    

I call mine Fooinline

like

 class XYZInline(Fooinline):
    model=XYZ