TypeError: got multiple values for argument

Question

I read the other threads that had to do with this error and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the

Answer 1

Simply put you can't do the following:

class C(object):
    def x(self, y, **kwargs):
        # Which y to use, kwargs or declaration? 
        pass

c = C()
y = "Arbitrary value"
kwargs["y"] = "Arbitrary value"
c.x(y, **kwargs) # FAILS

Because you pass the variable 'y' into the function twice: once as kwargs and once as function declaration.