unsupported operand type(s) for %: 'NoneType' and 'tuple'

[Victor Subervi]

On Mon, Dec 7, 2009 at 12:52 PM, Carsten Haese <carsten.haese at gmail.com>wrote:

> Victor Subervi wrote:
> > Well, if you could point me in the right direction, it would be
> > appreciated. I've tried googling this with no luck. Apparently, "expand"
> > is not a well-documented term in python and, of course, it's an
> > often-used term in English, which further confuses the issue. Yes, I
> > would like to understand this code.
>
> If I remember correctly from one of your earlier posts, "expand" is a
> name of a function that's actually defined in your code. Understanding
> its name won't help you understand what it does. It would do exactly the
> same if it were called "frobnicate" and all instances of "expand" in
> your code were replaced with "frobnicate".
>
> To understand what the function does, look at the function definition
> and pretend that you're the Python interpreter: Follow the code one
> instruction at a time and imagine what each instruction does. If you do
> this correctly, you will understand what the code does. This won't tell
> you *why* it does it, but it's your code, and you put it there to serve
> a particular purpose. If you don't understand its purpose, you shouldn't
> be using it at all.
>

<:-} Right again.
V
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