use a WeakSet for the cache of environments (new Odoo API)
use a WeakSet for the cache of environments (new Odoo API)

yvaucher/erppeek,raycarnes/erppeek,Endika/erppeek,josuebrunel/erppeek,NeovaHealth/erppeek,CLVsol/erppeek,yvaucher/erppeek,factorlibre/erppeek