python: post installer doc fix script
python: post installer doc fix script

* Got rid of the bash bit in the comments.
* Made the final printed instructions far more obvious.

Signed-off-by: Ben McGinnes <73675debcd8a436be48ec22211dcf44fe0df0a64@adversary.org>

gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme