code: def disable_requiretty_on_sudoers(log=False):
      
      if log:
          bookshelf2.logging_helpers.log_green(
              'disabling requiretty on sudo calls')
  
      comment_line('/etc/sudoers',
                   '^Defaults.*requiretty', use_sudo=True)
      return True
docs: allow sudo calls through ssh without a tty