Usage API

Hi!

I make the registration and got my API Key but, I can not use the API. The API is active? Someone have problems?

Detail error

Traceback (most recent call last): File "", line 1, in File "build/bdist.linux-i686/egg/pyechonest/artist.py", line 79, in init File "build/bdist.linux-i686/egg/pyechonest/proxies.py", line 43, in init File "build/bdist.linux-i686/egg/pyechonest/proxies.py", line 53, in get_attribute File "build/bdist.linux-i686/egg/pyechonest/proxies.py", line 23, in get_attribute File "build/bdist.linux-i686/egg/pyechonest/util.py", line 203, in callm File "build/bdist.linux-i686/egg/pyechonest/util.py", line 122, in get_successful_response pyechonest.util.EchoNestAPIError: (u'Echo Nest API Error -1: Unknown Error [HTTP 500]',)