[Inpycon] conference fee

[Anand Chitipothu]

> Yes. We should try to avoid collecting these things at the venue since
> it'll lead to backed up queues and create a lot of rather tiring work.
>
> Spot registrations are inevitable but we could discourage them by making
> the price obscenely high and, if we have swag, by not providing it to them.

+1

Is 1500 + 500 high enough? Or shall we make 2000+500?

Anand