PYTHON-952 - Fix killCursors for replica set connections

Author: behackett

pymongo/mongo_client.py

@@ -917,7 +917,10 @@ def _process_kill_cursors_queue(self):
  for address, cursor_ids in address_to_cursor_ids.items():
  try:
  if address:
- server = topology.select_server_by_address(address)
+ # address could be a tuple or _CursorAddress, but
+ # select_server_by_address needs (host, port).
+ server = topology.select_server_by_address(
+ tuple(address))
  else:
  # Application called close_cursor() with no address.
  server = topology.select_server(