"No module named pac" on BBCF_BBTag_Rebuilder?

[LarsMasters]

Traceback (most recent call last):
File "bbcf_bbtag_script_rebuilder.py", line 1, in
import os, struct, json, pac, astor, fnmatch
ImportError: No module named pac

I don't even get it at all, the parser (except Jin are okay, but the rebuilding

I was in a middle after finish parser modding Seth, Merkava & Mika scr, but it says this one above. What am I missing?

[LarsMasters]

Ah never mind. I think I got it now