Videos of the talks from PyCon 2015 can be found here. I haven't had a chance to watch any yet but I'm sure some of them will be excellent. You can see my favorite python and data science videos on the recommended videos page.
- Recommended Books, Score: 0.996
- Recommended Videos, Score: 0.995
- How to Transition from Ph.D. Student to Data Scientist, Score: 0.917
- Installing python for data science, Score: 0.765
- Label graph axes!, Score: 0.733