osx - Python: source code string cannot contain null bytes -

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i'm using max os x 10.10.3, , got graphics.py show in python 3, before saying no module existed.

however, when try import graphics, or from graphics import *, message: 

"source code string cannot contain null bytes"

does mac user (using python 3) perhaps know wrong? has used zelle book , graphics.py module? thanks.

for posterity: had same problem , fixed using,

sed -i 's/\x0//g' filename

the file seemed messed in numerous ways (wrong endings, etc); no idea how...

see https://stackoverflow.com/a/2399817/230468


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