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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def formfield_for_foreignkey(self, db_field, *args, **kwargs):
 """ Update queryset for ``layout`` field. """

        formfield = super(FluentLayoutsMixin, self).formfield_for_foreignkey(
            db_field, *args, **kwargs)
        if db_field.name == 'layout':
            formfield.queryset = formfield.queryset.for_model(self.model)
        return formfield