> as defined in PEP 3135:
>
> "The new syntax:
>
> super()
>
> is equivalent to:
>
> super(__class__, <firstarg>)
>
> where __class__ is the class that the method was defined in, and <firstarg> is
> the first parameter of the method (normally self for instance methods, and cls
> for class methods)."
This is a backport of Core PR18585