More and more libraries that we are pulling in require Python 3 so
to avoid having to play the pin dependencies whack-a-mole game let's
bump or base python where possible to python3.
Signed-off-by: Thanh Ha <zxiiro@gmail.com>
Change-Id: I65208f80b9f0479a10b1a8b6a4ba52956c2c3e3c