xmlrpc error with pypi.io

gistfile1.txt

In [8]: client=xmlrpclib.ServerProxy("https://pypi.io/pypi")

In [9]: client.package_releases('roundup')
---------------------------------------------------------------------------
Fault                                     Traceback (most recent call last)
<ipython-input-9-9eae23c7d1d4> in <module>()
----> 1 client.package_releases('roundup')

/Users/msarahan/anaconda2/lib/python2.7/xmlrpclib.pyc in __call__(self, *args)
   1238         return _Method(self.__send, "%s.%s" % (self.__name, name))
   1239     def __call__(self, *args):
-> 1240         return self.__send(self.__name, args)
   1241
   1242 ##

/Users/msarahan/anaconda2/lib/python2.7/xmlrpclib.pyc in __request(self, methodname, params)
   1597             self.__handler,
   1598             request,
-> 1599             verbose=self.__verbose
   1600             )
   1601

/Users/msarahan/anaconda2/lib/python2.7/xmlrpclib.pyc in request(self, host, handler, request_body, verbose)
   1278         for i in (0, 1):
   1279             try:
-> 1280                 return self.single_request(host, handler, request_body, verbose)
   1281             except socket.error, e:
   1282                 if i or e.errno not in (errno.ECONNRESET, errno.ECONNABORTED, errno.EPIPE):

/Users/msarahan/anaconda2/lib/python2.7/xmlrpclib.pyc in single_request(self, host, handler, request_body, verbose)
   1311             if response.status == 200:
   1312                 self.verbose = verbose
-> 1313                 return self.parse_response(response)
   1314         except Fault:
   1315             raise

/Users/msarahan/anaconda2/lib/python2.7/xmlrpclib.pyc in parse_response(self, response)
   1488         p.close()
   1489
-> 1490         return u.close()
   1491
   1492 ##

/Users/msarahan/anaconda2/lib/python2.7/xmlrpclib.pyc in close(self)
    797             raise ResponseError()
    798         if self._type == "fault":
--> 799             raise Fault(**self._stack[0])
    800         return tuple(self._stack)
    801

Fault: <Fault -32500: 'application error'>