Michael Kennedy has a fantastic personality for tech podcasts, I have always found his explanations light hearted enough to be entertaining, but with enough detail that it's interesting and worth listening to in order to learn. In my experience that's a rare combination in tech podcasts.
The urls.
Jake Vanderplas - Keynote: http://youtu.be/ZyjCqQEUa8o
Static Types for Python: http://youtu.be/7ZbwZgrXnwY
The Gilectomy How's It Going: http://youtu.be/pLqv11ScGsQ
Optimizing Pandas Code: http://youtu.be/HN5d490_KKk
Debugging in Python 3 6 Better, Faster, Stronger: http://youtu.be/NdObDUbLjdg
Instagram Keynote: http://youtu.be/66XoCk79kjM
Python from Space: http://youtu.be/rUUgLsspTZA
Factory Automation with Python: http://youtu.be/cEyVfiix1Lw
Dial M For Mentor: http://youtu.be/Wc1krFb5ifQ