deprecated-decorator / W4905

Message emitted:

Using deprecated decorator %s()

Description:

The decorator is marked as deprecated and will be removed in the future.

Problematic code:

import abc


class Animal:
    @abc.abstractclassmethod  # [deprecated-decorator]
    def breath(cls):
        pass

Correct code:

import abc


class Animal:
    @abc.classmethod
    @abc.abstractmethod
    def breath(cls):
        pass

Configuration file:

[main]
py-version = 3.3

Additional details:

The actual replacement needs to be studied on a case by case basis by reading the deprecation warning or the release notes.

Created by the stdlib checker.