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Invalid protocol definitions and usages

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


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

Available in:

DataSpell 2023.3, PyCharm 2023.3


Python Community Edition, 233.SNAPSHOT

Last modified: 13 July 2023