def set_servers(self, servers):
self.servers = [_Host(s, self.debug, dead_retry=self.dead_retry,<EOL>socket_timeout=self.socket_timeout,<EOL>flush_on_reconnect=self.flush_on_reconnect)<EOL>for s in servers]<EOL>self._init_buckets()<EOL>
Set the pool of servers used by this client.

@param servers: an array of servers.
Servers can be passed in two forms:
    1. Strings of the form C{"host:port"}, which implies a default weight of 1.
    2. Tuples of the form C{("host:port", weight)}, where C{weight} is
    an integer weight value.