Change hash bang in smartypants and smartypants.py to be /usr/bin/env
python3
[YOCTO #14638]
(From OE-Core rev: ef8ccaa1dcd396dafb328cd64777d4bd6973e9e1)
Signed-off-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>