Comment 3 for bug 1755756

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melanie witt (melwitt) wrote :

Thanks for including the traceback paste.

Looking at this, the error is being raised because the fmt.file_format of the parsed command output is None:

and that attribute comes from the oslo_utils.imageutils parsing:

So, this implies that the output of the 'qemu-img info' command doesn't have 'file format' in it. But we aren't logging the command output, so we don't know what it looks like ...