'Gets the minimum number of connections per Session that will be opened
for each host with :class:`~.HostDistance` equal to `host_distance`.
The default is 2 for :attr:`~HostDistance.LOCAL` and 1 for
:attr:`~HostDistance.REMOTE`.
This property is ignored if :attr:`~.Cluster.protocol_version` is
3 or higher.'

def get_core_connections_per_host(self, host_distance):

    return self._core_connections_per_host[host_distance]
