urlopen error [Errno 10054]

[heikoherold]

Hi,
is this maintained / working? For every query I get errors like this:

****************************** WorldCat xISBN (1, 0, 0) ******************************
Found 0 results
Downloading from WorldCat xISBN took 1.56299996376
Querying: http://xisbn.worldcat.org/webservices/xid/isbn/9788875480103?method=getMetadata&format=json&fl=*
Plugin WorldCat xISBN failed
Traceback (most recent call last):
File "site-packages\calibre\ebooks\metadata\sources\identify.py", line 47, in run
File "calibre_plugins.dummy3.init", line 39, in identify
File "site-packages\mechanize_mechanize.py", line 238, in open_novisit
File "site-packages\mechanize_mechanize.py", line 283, in _mech_open
File "site-packages\mechanize_opener.py", line 193, in open
File "site-packages\mechanize_urllib2_fork.py", line 375, in _open
File "site-packages\mechanize_urllib2_fork.py", line 363, in _call_chain
File "site-packages\mechanize_urllib2_fork.py", line 1200, in http_open
File "site-packages\mechanize_urllib2_fork.py", line 1182, in do_open
URLError: <urlopen error [Errno 10054] Connessione in corso interrotta forzatamente dall'host remoto>

Basically connection closed by host. Maybe the Api has changed or is this a local problem?
Thanks