<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def save(self, *args, **kwargs):
 """ Set the description field on save. """

        if self.gen_description:
            self.description = strip_tags(self.description_from_content())
        super(MetaData, self).save(*args, **kwargs)