is this a feature 
class Foo():
def __init__(self, *args, **kw):
print("foo init")
super().__init__(*args, **kw)
class Bar():
def __init__(self, bar):
print(bar)
class FooBar(Foo, Bar):
def __init__(self):
print("foobar init")
super().__init__('bar init')
a = FooBar()
Yes it is.
I definitely need to include a write-up of this topic on my list.
Is what a feature?
Not sure, but it definitely is one.
Probably the ability to define unmaintainably tightly-coupled classes?
In all seriousness: YES, it is a feature that you are allowed to do things that no sane programmer would ever want to do. That’s called freedom and it’s a spectacular feature.
I’ve seen it in a wx chunk were it doesn’t make any sense and, in fact, ruins the real task (sometimes one lacks phantasy) 