Just curious on all those who are there, do your companies pay for the trip, hotel and conference fees?
Pycon, through the support of all the sponsors, is actually fairly cheap. Only $300 to attend, and they did an amazing job organizing it. Lunches and breakfast included. I know of other tech conferences that are much more expensive.
I think it could be easily argued that sending employees to things like Pycon directly benefit your company. We work in a really fast moving industry so it's a necessity to keep employees on the ball. Going this year I learned a ton of new things about Python that made me more productive.