code: def send_password_changed_notice(user):
      
      if config_value('SEND_PASSWORD_CHANGE_EMAIL'):
          subject = config_value('EMAIL_SUBJECT_PASSWORD_CHANGE_NOTICE')
          _security.send_mail(subject, user.email, 'change_notice', user=user)
docs: Sends the password changed notice email for the specified user.
  
      :param user: The user to send the notice to