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python virtualenv are awesome ;) [certbot]

So I was having a small issue on a server I cannot easily update where certbot was out of date and gave me this error: "Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA."
Took me a while due to some dependencies my last updates had skipped certbot and it was still quite old .. Digging around a bit I found out that the error I had might be fixed already. But without a good way to update it I was a bit stuck..
Then I remembered .. who said I had to use the system installed certbot.. so virtualenv to the rescue:

Python network "scanner"

So i wanted to know what hosts in my network are up and what are their mac addresses.

Quodlibet .. an even more awesome music player than I had thought :)

So I was getting annoyed with my music player as I was having the "problem" of having my songs in ogg, mp3 and flac usually (i like to rip in those 3 formats for various reasons). But of course with 3 formats  of the same songs in each directory every player that can play all of them will show each song 3 times .. which is very annoying if you just want to play an album .. so I thought about how to do this and first tried to just use the ratings to rate all of the .ogg higher or soo.. works but is super annoying..

some PyQt5 ..

So i wanted a (very simple) GUI for my python program .. and i want it to run on Linux but also windows..

on getting party (company and people) data from dolibarr to import into tryton ..

I tried with just exporting from postgresql like this:

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