def formfield_for_dbfield(self, db_field, **kwargs):
        # More usable heights and widths in admin form fields
        field = super(GuideAdmin, self).formfield_for_dbfield(db_field, **kwargs)
        if ['title','slug'] in db_field.name:
            field.widget.attrs['style'] = 'width: 30em;'
        if db_field.name == 'summary':
            field.widget.attrs['style'] = 'height: 4.5em;'
        return field
dataset/ETHPy150Open mozilla/source/source/guides/admin.py/GuideAdmin.formfield_for_dbfield/swapped operands of `in`