>no problem with the comments (though you need to remove them at the end)
You do not want any comment at all?
How to you grook the file next time, then?

>if it ONLY has to do with excel and not touching parsing in general then the changes should only be in >excel.py
See below.

>(aside from the date_converters stuff)
Which are intended to be reused.

>the idea is to touch as few files as possible

I understand. but excel.py calls TextPaser which calls TextFileParser (or alike). the latter two are in parsers.py and a guilty for not being able to skip a line between header and data