add some help for user stuck on python 2
add some help for user stuck on python 2

Signed-off-by: BlackEagle <6c5c99a37e4dd8841971a4b7c7580d6fcba68554@gmail.com>

joonty/vdebug,Taluu/vdebug,paprykarz/vdebug,Taluu/vdebug,joonty/vdebug,paprykarz/vdebug,paprykarz/vdebug,joonty/vdebug,Taluu/vdebug