[Tutor] help with program from learning python the hard way

[Jason Loeve]

good day i seem to be stuck, my code is

from sys import argv

script, user_name = argv

and i get an error ValueError: need more than 1 value to unpack

http://learnpythonthehardway.org/book/ex14.html

i am using PyCharm 1.5.4 to run

thanks in advance
jason
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