Fix: Fix for Pylint error on automated build system.

E:422,34: Module 'traceback' has no 'TracebackException' member (no-member)

(Redmine issue: #3443,#3387)

.pylintrc-lib

@@ -274,7 +274,7 @@ contextmanager-decorators=contextlib.contextmanager
 # List of members which are set dynamically and missed by pylint inference
 # system, and so shouldn't trigger E1101 when accessed. Python regular
 # expressions are accepted.
-generated-members=query,commit,add,dirty,delete
+generated-members=query,commit,add,dirty,delete,TracebackException
 
 # Tells whether missing members accessed in mixin class should be ignored. A
 # mixin class is detected if its name ends with "mixin" (case insensitive).