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TypeError: 'kwarg' is an invalid keyword argument for this function

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  TypeError: 'kwarg' is an invalid keyword argument for this function roro codeath <rorocodeath@gmail.com> - 2014-10-12 20:55 +0800
    Re: TypeError: 'kwarg' is an invalid keyword argument for this function Rustom Mody <rustompmody@gmail.com> - 2014-10-12 06:46 -0700

#78995 — TypeError: 'kwarg' is an invalid keyword argument for this function

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How to implement it in my class?

class Str(str):
    def __init__(self, *args, **kwargs):
        pass

Str('smth', kwarg='a')

# How to implement in my class

class C:
   def __init__(self):
       pass

class C2(C):
    def __init__(self, *args, **kwargs):
        pass
C2(kwarg='a')

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#78997

Whats the problem??
Seems to work (python 2.7.8)

[Ive added a line so that that you can see]

class C:
   def __init__(self):
       pass

class C2(C):
    def __init__(self, *args, **kwargs):
        self.dic = kwargs
        pass
x = C2(kwarg='a')
y = C2(kwarg='a', kwarg2=8)


========================
>>> x.dic
{'kwarg': 'a'}
>>> y.dic
{'kwarg': 'a', 'kwarg2': 8}
>>> 

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