506,507c506,514
<             starargs = self.eval(node.starargs)
<             kwargs = self.eval(node.kwargs)
---
>             starargs = None
>             kwargs = None
> 
>             if node.starargs:
>                 starargs = self.eval(node.starargs)
>             
>             if node.kwargs:
>                 kwargs = self.eval(node.kwargs)
>