[Xwang]

Hi to all,
I have two pc with arch linux and calibre installed.
The calibre library is installed on an sdcard which I move from one pc to the other.
I've copied ~./config/calibre from the first pc to the second one to have all my configurations already set.
On both PC there is a server running.
When I execute

calibredb show_metadata --with-library=http://localhost:8080 --username=pippo --password=12345678 3885

the first pc answers with the 3885 book metadata.
The second pc gives a TypeError exception:

Traceback (most recent call last):
  File "/usr/bin/calibredb", line 21, in <module>
    sys.exit(main())
  File "/usr/lib/calibre/calibre/db/cli/main.py", line 251, in main
    return run_cmd(cmd, opts, args[1:], DBCtx(opts))
  File "/usr/lib/calibre/calibre/db/cli/main.py", line 41, in run_cmd
    ret = m.main(opts, args, dbctx)
  File "/usr/lib/calibre/calibre/db/cli/cmd_show_metadata.py", line 49, in main
    raise SystemExit('Id #%d is not present in database.' % id)
TypeError: %d format: a number is required, not builtin_function_or_method

Have you any idea why?