docs: def render_mail_template(subject_template, body_template, context):
      """
      Renders both the subject and body templates in the given context.
      Returns a tuple (subject, body) of the result.
      """
      try:
          subject = strip_spaces(render_to_string(subject_template, context))
          body = render_to_string(body_template, context)
      finally:
          pass
  
      return subject, body