71     for field_name in self.fields.iterkeys():

    71     for field_name in self.fields.iterkeys():

    72       field = self.fields[field_name]

    72       field = self.fields[field_name]

    73 

    73 

    74       # Since fields can be added only to the ModelForm subclass, check to

    74       # Since fields can be added only to the ModelForm subclass, check to

    75       # see if the Model has a corresponding field first.

    75       # see if the Model has a corresponding field first.

    76       if hasattr(self.Meta.model, field_name):

    77       if hasattr(self.Meta.model, field_name):

    77         model_prop = getattr(self.Meta.model, field_name)

    78         model_prop = getattr(self.Meta.model, field_name)

    78 

    79 

    79         for old, new in renames.iteritems():

    80         for old, new in renames.iteritems():

    80           value = getattr(model_prop, old, None)

    81           value = getattr(model_prop, old, None)