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-rw-r--r--qpid/python/qpid/messaging/driver.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/qpid/python/qpid/messaging/driver.py b/qpid/python/qpid/messaging/driver.py
index 78af2827df..7c21388213 100644
--- a/qpid/python/qpid/messaging/driver.py
+++ b/qpid/python/qpid/messaging/driver.py
@@ -828,8 +828,9 @@ class Engine:
self._closing = True
def attach(self, ssn):
+ if ssn.closed: return
sst = self._attachments.get(ssn)
- if sst is None and not ssn.closed:
+ if sst is None:
for i in xrange(0, self.channel_max):
if not self._sessions.has_key(i):
ch = i