changing Pool to use weakref callback for auto-cleanup, instead of __del__.

Still leaving the RLock in Queue however since I see no guarantee that the weakref callback
isn't called at an arbitrary time.

1 files changed, 1 insertions, 5 deletions

diff --git a/lib/sqlalchemy/interfaces.py b/lib/sqlalchemy/interfaces.py
index 05a8a4a34..fef82626c 100644
--- a/lib/sqlalchemy/interfaces.py
+++ b/lib/sqlalchemy/interfaces.py
@@ -73,7 +73,7 @@ class PoolListener(object):
         using the new connection.
         """
 
-    def checkin(dbapi_con, con_record, con_proxy):
+    def checkin(dbapi_con, con_record):
         """Called when a connection returns to the pool.
 
         Note that the connection may be closed, and may be None if the
@@ -86,8 +86,4 @@ class PoolListener(object):
         con_record
           The ``_ConnectionRecord`` that persistently manages the connection
 
-        con_proxy
-          The ``_ConnectionFairy`` which manages the connection for the span of
-          the current checkout.
-
         """