get_running_builds always returns empty list

[David Johannsson]

python-jenkins 1.1.0
Jenkins 2.121.2

print server.get_running_builds()
[]

get_running_builds always returns an empty set

https://github.com/openstack/python-jenkins/blob/master/jenkins/__init__.py#L1437

INFO:root:{u'progress': 29, u'idle': False, u'likelyStuck': False, u'number': 0, u'currentExecutable': None}
INFO:root:{u'progress': 27, u'idle': False, u'likelyStuck': False, u'number': 1, u'currentExecutable': None}
INFO:root:{u'progress': 26, u'idle': False, u'likelyStuck': False, u'number': 3, u'currentExecutable': None}
INFO:root:{u'progress': 21, u'idle': False, u'likelyStuck': False, u'number': 2, u'currentExecutable': None}

This line always evaluates as false since currentExecutable is always None
if executable and 'PlaceholderTask' not in executable.get('_class', ''):

[David Johannsson (davideaglephotos)]

Seems like it is a jenkins bug https://issues.jenkins-ci.org/browse/JENKINS-49644 not returning currentExecutable