[Schoolsplay-devel] DB revert

[Néstor <nes...@gm...>]

I have reverted the sqlalchemy code and sqlachemy version to 1.4.52.
If you like you can take a look:

https://github.com/Txikilinux/childsplay/commits/master/

I'll continue fixing more errors.
-- 
Néstor Amigo