docs: def install_antivirus(version=None, latest=False, synch=False, skip_commit=False,):
      '''
      Install anti-virus packages.
  
      Args:
          version(str): The version of the PANOS file to install.
  
          latest(bool): If true, the latest anti-virus file will be installed.
                        The specified version option will be ignored.
  
          synch(bool): If true, the anti-virus will synch to the peer unit.
  
          skip_commit(bool): If true, the install will skip committing to the device.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' panos.install_antivirus 8.0.0
  
      '''
      if not version and latest is False:
          raise CommandExecutionError("Version option must not be none.")
  
      if synch is True:
          s = "yes"
      else:
          s = "no"
  
      if skip_commit is True:
          c = "yes"
      else:
          c = "no"
  
      if latest is True:
          query = {'type': 'op',
                   'cmd': '<request><anti-virus><upgrade><install>'
                          '<commit>{0}</commit><sync-to-peer>{1}</sync-to-peer>'
                          '<version>latest</version></install></upgrade></anti-virus></request>'.format(c, s)}
      else:
          query = {'type': 'op',
                   'cmd': '<request><anti-virus><upgrade><install>'
                          '<commit>{0}</commit><sync-to-peer>{1}</sync-to-peer>'
                          '<version>{2}</version></install></upgrade></anti-virus></request>'.format(c, s, version)}
  
      return _get_job_results(query)