### Environment - Pythonnet version: 2.4.0 - Python version: ANY - Operating System: ANY ### Details Given C# class `Callable` ```csharp class Callable { public int __call__(int arg) => arg * 2; } ``` Be able call an instance of it like a function in Python: ```python callable = Callable() print(callable(21)) ``` Expected: should print 42 Actual: TypeError : object is not callable ### Note I am actually working on this. This is a tracking issue to reference in commits.