Issue 756 in robotframework: use of --xunitfile and --listener together throws an exception

[robotframework]

Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 756 by mikko.korpela: use of --xunitfile and --listener together  
throws an exception
http://code.google.com/p/robotframework/issues/detail?id=756

In rf 2.5.5 using

pybot --listener mylistener.py --xunitfile myxunitfile.xml .

where mylistener.py is something like:

ROBOT_LISTENER_API_VERSION = 2

def start_test(name, attrs):
    print 'Executing test %s' % name

def start_keyword(name, attrs):
    print 'Executing keyword %s with arguments %s' % (name, attrs['args'])

def log_file(path):
    print 'Test log available at %s' % path

def close():
    print 'All tests executed'
<<

throws an exception:
[ ERROR ] Unexpected error: AttributeError: _ListenerProxy instance has no  
attribute 'xunit_file'

This doesn't seem to effect the test run.