SocketInfo's 'host' parameter is no longer optional.

ajdavis · ajdavis · commit 55f18f0937db · 2014-07-17T15:26:58.000-04:00
diff --git a/pymongo/pool.py b/pymongo/pool.py
@@ -116,7 +116,7 @@ def socket_keepalive(self):
 class SocketInfo(object):
     """Store a socket with some metadata
     """
-    def __init__(self, sock, pool, host=None):
+    def __init__(self, sock, pool, host):
         self.sock = sock
         self.host = host
         self.authset = set()
