Log analytic - error log import


i can to connect the web page on my web site.

I dont no what is the real problem.
I need more configuration?

So when i want to import my log, i have one error

for import my log, my commande line is:
./import_logs.py --url=‘http://world.piwik.com’ /var/log/apache2/world.access.log --idsite=2 --debug

The result is :

2013-02-08 16:32:10,204: [DEBUG] Accepted hostnames: all
2013-02-08 16:32:10,204: [DEBUG] Piwik URL is: http://world.piwik.com
2013-02-08 16:32:10,204: [DEBUG] No token-auth specified
2013-02-08 16:32:10,205: [DEBUG] No credentials specified, reading them from "/var/www/Websites/world.piwik.com/config/config.ini.php"
2013-02-08 16:32:10,206: [DEBUG] Using credentials: (login = XXXXpiwikXXX, password = XXXXpiwikXXX)
2013-02-08 16:32:10,306: [DEBUG] Authentication token token_auth is: XXXXpiwikXXX
2013-02-08 16:32:10,307: [DEBUG] Resolver: static
0 lines parsed, 0 lines recorded, 0 records/sec (avg), 0 records/sec (current)
2013-02-08 16:32:10,404: [DEBUG] Launched recorder
Parsing log /var/log/apache2/world.access.log…
2013-02-08 16:32:10,404: [DEBUG] Detecting the log format
2013-02-08 16:32:10,404: [DEBUG] Format ncsa_extended matches
2013-02-08 16:32:10,956: [DEBUG] cannot parse tracker response, should be valid JSON
2013-02-08 16:32:10,957: [DEBUG] Error when connecting to Piwik: <urlopen error

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... You can restart the import of "/var/log/apache2/world.access.log" from the point it failed by specifying --skip=0 on the command line =========================

thank you for your returns.