" AttributeError: 'ModelData' object has no attribute 'user_data'"

[tabsciy]

algorithmia-adk-python/README.md

Line 101 in 0ddc2cc

return "hello {} {}".format(str(input), str(modelData.user_data['payload']))

Hey James, I just tried running this example and I get an error
" AttributeError: 'ModelData' object has no attribute 'user_data'"

Just using "modelData['payload']" works for me. Like this: https://gist.github.com/tabsciy/c843ef32b1c87f998e0eff967853e17b