Fix VarsVisitor RuntimeError on code like f(g(a)(b)(c)) #163
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ast.Call.args is [argument node] ast.Call.keywords however is [ast.keyword] You need to do isinstance(keyword_node.value, X) otherwise handling of args and kwargs will be different.
It's rare, but a curried function call can appear within a function call. It was raising a RuntimeError in VarsVisitor. We don't build a cfg properly for curried functions which is fine for now, but we don't need to crash. At least there is now defined behaviour.
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Fixed so that it doesn't crash and so the result will be
[ret_g, b, c]as per @KevinHock's suggestion. The solution I've done is a bit ugly so feel free to suggest changes.First commit fixes a small bug with keyword arguments not being treated correctly.
Fixes #157