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Invalid usage of ClassVar variables

Reports invalid usages of ClassVar annotations.


from typing import ClassVar class Cat: color: ClassVar[str] = "white" weight: int def __init__(self, weight: int): self.weight = weight Cat.color = "black" # OK my_cat = Cat(5) my_cat.color = "gray" # Error, setting class variable on instance

Inspection Details

By default bundled with:

DataSpell 2024.1, IntelliJ IDEA 2024.1, PyCharm 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Python Community Edition, 241.SNAPSHOT

Last modified: 29 April 2024