Shield object should pass keyword arguments.

[proofit404]

from dependencies import Injector, shield, this

class ClassWithKwargs:
    def __init__(self, **kwargs):
        ...

class Container(Injector):
    foo = shield(ClassWithKwargs, x=this.x, y=this.y)
    x = 1
    y = 2

Container.foo # will pass x and y to the class **kwargs