Doesn't work

[red thing]

I'm testing out this program with a couple test images.

Cover image:

Data:

Command:

python pack.py ~/Downloads/moonwiki.png ~/Downloads/moon2.jpg ~/Downloads/poly3.png

Output:

Image size: 2892x1696px
Warning: dropping non-essential or unknown chunk: pHYs
Embedded file starts at offset 0x13212f

Here is the output file itself:

It does not seem to be a usable zip file or anything.

I was wondering if you had any insight into what is going wrong here?

[red thing]

Ah, never mind. I read the README wrong. Excuse my foolishness.