Comment 18 for bug 441107
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| Agostino Russo (ago) wrote Re: TypeError: coercing to Unicode: need string or buffer, NoneType found | #18 |
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(Get the code!)
I am quite sure this problem happens when you have both a ubuntu ISO with invalid md5 (e.g. release candidate after final release or corrupted ISO) and a Ubuntu CD. The kubuntu amd64 was evaluating to invalid because of bug #465936.