add a little note to the manual

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
a note about python versions in install instructions

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
fix rest in manual [ci skip]

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
flake8

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Merge remote-tracking branch 'upstream/master' into issue871
Fix flake8