Remove error code not found in strict version of pylint.
Remove error code not found in strict version of pylint.

junneyang/taskflow,pombredanne/taskflow-1,varunarya10/taskflow,citrix-openstack-build/taskflow,openstack/taskflow,junneyang/taskflow,jimbobhickville/taskflow,jimbobhickville/taskflow,varunarya10/taskflow,citrix-openstack-build/taskflow,pombredanne/taskflow-1,openstack/taskflow,jessicalucci/TaskManagement,jessicalucci/TaskManagement