PY3.W0201

Attribute defined outside init

Used when an instance attribute is defined outside the init method.

Noncompliant Code:

Copy
class Foo:
    def bar(self):
        self.baz = True

Compliant Code:

Copy
class Foo:
    def __init__(self):
        self.baz = None

    def bar(self, value):
        self.baz = value

The content on this page is adapted from the Pylint User Guide, Copyright ©2003-2022, Logilab, PyCQA and contributors. All rights reserved. https://pylint.pycqa.org/en/latest/index.html#, and is used under the Python Software Foundation License Version 2. Examples, recipes, and other code in the Pylint documentation are additionally licensed under the Zero Clause BSD License.