When the command "pcs cluster status" is ran an error occurs: "File "/usr/lib/python2.7/site-packages/pcs/utils.py", line 1877, in getCorosyncNodesID cs_nodes[node_list_node_mapping[m.group(1)]] = m.group(2) KeyError: '2'"

Issue

• When the command pcs cluster status is ran an error occurs:

# pcs cluster status 
Cluster Status:
 Last updated: Wed Jul 27 16:39:11 2016
 Last change: Wed Jul 27 16:35:55 2016
 Stack: corosync
 Current DC: NONE
 4 Nodes configured
 0 Resources configured

PCSD Status:
Traceback (most recent call last):
  File "/usr/sbin/pcs", line 153, in <module>
    main(sys.argv[1:])
  File "/usr/sbin/pcs", line 135, in main
    cluster.cluster_cmd(argv)
  File "/usr/lib/python2.7/site-packages/pcs/cluster.py", line 47, in cluster_cmd
    cluster_gui_status([],True)
  File "/usr/lib/python2.7/site-packages/pcs/cluster.py", line 217, in cluster_gui_status
    bad_nodes = check_nodes(nodes, "  ")
  File "/usr/lib/python2.7/site-packages/pcs/cluster.py", line 272, in check_nodes
    cs_nodes = utils.getCorosyncNodesID(True)
  File "/usr/lib/python2.7/site-packages/pcs/utils.py", line 1877, in getCorosyncNodesID
    cs_nodes[node_list_node_mapping[m.group(1)]] = m.group(2)
KeyError: '2'