def __init__(self, url, **kwargs):
super(PyPIRPCLocator, self).__init__(**kwargs)<EOL>self.base_url = url<EOL>self.client = ServerProxy(url, timeout=<NUM_LIT>)<EOL>
Initialise an instance.

:param url: The URL to use for XML-RPC.
:param kwargs: Passed to the superclass constructor.