same close_old_connections fix
diff --git a/xos/synchronizers/base/event_loop.py b/xos/synchronizers/base/event_loop.py
index 5519b42..7c71d2b 100644
--- a/xos/synchronizers/base/event_loop.py
+++ b/xos/synchronizers/base/event_loop.py
@@ -477,7 +477,7 @@
                    try:
 #                       if db.connection:
 #                           db.connection.close()
-                       db.close_connection()
+                       db.close_old_connections()
                    except:
                         logger.log_exc("XXX we failed to fix the failure")
                 else: