code: def posttrans_hook(conduit):
      
      # Integrate Yum with Salt
      if 'SALT_RUNNING' not in os.environ:
          with open(CK_PATH, 'w') as ck_fh:
              ck_fh.write('{chksum} {mtime}\n'.format(chksum=_get_checksum(), mtime=_get_mtime()))
docs: Hook after the package installation transaction.
  
      :param conduit:
      :return: