Right, I should've specified the Python version. Python 3's grammar for argument lists changed a bit and added kwonlyargs to the mix. IIRC the call node's argli

Right, I should've specified the Python version. Python 3's grammar for argument lists changed a bit and added kwonlyargs to the mix. IIRC the call node's arglist isn't just filled in left-to-right and handed names for keyword arguments anymore. Python 3 is definitely a step in the right direction. I wish adoption was a little more rapid.