go.talks: Fix link to video, since original video was taken down.
R=adg
CC=golang-codereviews
https://golang.org/cl/40540050
diff --git a/2013/go4python.slide b/2013/go4python.slide
index feaea7f..7bd2f99 100644
--- a/2013/go4python.slide
+++ b/2013/go4python.slide
@@ -89,7 +89,7 @@
A lot has been said about Python's infamous Global Interpreter Lock.
-You should watch [[http://blip.tv/carlfk/mindblowing-python-gil-2243379][Mindblowing Python GIL]], by David Beazley.
+You should watch [[http://youtu.be/ph374fJqFPE][Mindblowing Python GIL]], by David Beazley.
* Things I like about Python
