[REF] 'stock_inventory_improve' flake8;
[FIX] 'stock_inventory_improve': 
-> manage correctly price_unit in fill_inventory;
-> get default stock location correctly;
[FIX] 'stock_inventory_improve' translation;
[REF] move 'account_merge_moves_by_patterns' from odoo-addons-grap to odoo-addons-misc