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Invalid protocol definitions and usages

Reports invalid definitions and usages of protocols introduced in PEP-544.

Example:

from typing import Protocol class MyProtocol(Protocol): def method(self, p: int) -> str: pass class MyClass(MyProtocol): def method(self, p: str) -> int: # Type of 'method' is not compatible with 'MyProtocol' pass class MyAnotherProtocol(MyClass, Protocol): # All bases of a protocol must be protocols pass

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