<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def formfield_for_dbfield(self, db_field, **kwargs):
 """ Adds the "Send to Twitter" checkbox after the "status" field, provided by any ``Displayable`` models. The approach here is quite a hack, however the sane approach of using a custom form with a boolean field defined, and then adding it to the formssets attribute of the admin class fell apart quite horrifically. """

        formfield = super(TweetableAdminMixin,
            self).formfield_for_dbfield(db_field, **kwargs)
        if Api and db_field.name == "status" and get_auth_settings():
            def wrapper(render):
                def wrapped(*args, **kwargs):
                    rendered = render(*args, **kwargs)
                    label = _("Send to Twitter")
                    return mark_safe(rendered + FORMFIELD_HTML % label)
                return wrapped
            formfield.widget.render = wrapper(formfield.widget.render)
        return formfield