Replace abc.abstractproperty with property and abc.abstractmethod

Replace abc.abstractproperty with property and abc.abstractmethod,
as abc.abstractproperty has been deprecated since python3.3[1]

[1]https://docs.python.org/3.8/whatsnew/3.3.html?highlight=deprecated#abc

Change-Id: Ibb048b879fa58b5e144ae228628b3ffaeae65bbb
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import abc


class Task(object, metaclass=abc.ABCMeta):

    def __init__(self):
        self.success = False

    @property
    @abc.abstractmethod
    def name(self):
        pass

    def reset(self):
        self.success = False

    @property
    def followups(self):
        return []

    @abc.abstractmethod
    def run(self):
        pass

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import abc


class Task(object, metaclass=abc.ABCMeta):

    def __init__(self):
        self.success = False

    @abc.abstractproperty
    def name(self):
        pass

    def reset(self):
        self.success = False

    @property
    def followups(self):
        return []

    @abc.abstractmethod
    def run(self):
        pass
