Python Error During Update

[kjordan2001]

2017-04-11T18:51:23.863550342Z haproxy.1.m0s9p7f40wvk@thunder | Traceback (most recent call last):
2017-04-11T18:51:23.863589228Z haproxy.1.m0s9p7f40wvk@thunder | File "/usr/lib/python2.7/site-packages/gevent/greenlet.py", line 534, in run
2017-04-11T18:51:23.863599523Z haproxy.1.m0s9p7f40wvk@thunder | result = self._run(*self.args, **self.kwargs)
2017-04-11T18:51:23.863607945Z haproxy.1.m0s9p7f40wvk@thunder | File "/usr/lib/python2.7/site-packages/haproxy/eventhandler.py", line 113, in polling_service_status_swarm_mode
2017-04-11T18:51:23.863616820Z haproxy.1.m0s9p7f40wvk@thunder | Haproxy.cls_nets)
2017-04-11T18:51:23.863624404Z haproxy.1.m0s9p7f40wvk@thunder | File "/usr/lib/python2.7/site-packages/haproxy/helper/swarm_mode_link_helper.py", line 50, in get_task_links
2017-04-11T18:51:23.863632990Z haproxy.1.m0s9p7f40wvk@thunder | if task_labels.get(LABEL_SWARM_MODE_DEACTIVATE, "").lower() == "true":
2017-04-11T18:51:23.863641198Z haproxy.1.m0s9p7f40wvk@thunder | AttributeError: 'NoneType' object has no attribute 'get'
2017-04-11T18:51:23.863649082Z haproxy.1.m0s9p7f40wvk@thunder | <Greenlet at 0x7f86387b2730: polling_service_status_swarm_mode> failed with AttributeError