ERP5Type/patches/WSGIPublisher: Ensure transaction abort.

Transaction must be aborted even if the state is getting so bad that the
exception is being re-raised. Leaving an open-ended transaction is never
acceptable.

product/ERP5Type/patches/WSGIPublisher.py

@@ -279,6 +279,7 @@ def transaction_pubevents(request, response, err_hook, tm=transaction.manager):
         # Create new exc_info with the upgraded exception.
         exc_info = (exc_type, exc, sys.exc_info()[2])
 
+        try:
             try:
                 # Raise exception from app if handle-errors is False
                 # (set by zope.testbrowser in some cases)
@@ -323,7 +324,7 @@ def transaction_pubevents(request, response, err_hook, tm=transaction.manager):
                         response.setStatus(exc.getStatus())
 
                     retry = isinstance(exc, TransientError) and request.supports_retry()
-
+            finally:
                 notify(pubevents.PubBeforeAbort(request, exc_info, retry))
                 tm.abort()
                 notify(pubevents.PubFailure(request, exc_info, retry))