使用super() 函数:

class Foo(Bar):
    def baz(self, arg):
        return super().baz(arg)

对于 Python <3、您必须明确选择使用新样式类并使用:

For Python < 3, you must explicitly opt in to using new-style classes and use:

class Foo(Bar):
    def baz(self, arg):
        return super(Foo, self).baz(arg)