mark class as abstract
__author__ = 'Michal Ernst, Marcin Usielski'
__copyright__ = 'Copyright (C) 2018-2019, Nokia'
__email__ = 'michal.ernst@nokia.com, marcin.usielski@nokia.com'
-import functools
+import functools
+import abc
+import six
from moler.connection_observer import ConnectionObserver
from moler.exceptions import MolerException
from moler.exceptions import ResultAlreadySet
from moler.helpers import instance_id
+@six.add_metaclass(abc.ABCMeta)
class Event(ConnectionObserver):
def __init__(self, connection=None, till_occurs_times=-1, runner=None):
