`purchase_stock` is a required dependencies because the `stock.rule` `stock_rule_drop_shipping` use `buy` as `action` [1]. However, it is added to the selection by the module `purchase_stock` [2]. [1] https://github.com/odoo/odoo/blob/c4b6273c9df5d8e3f3a5ee3cf52541741526280e/addons/stock_dropshipping/data/stock_data.xml#L32 [2] https://github.com/odoo/odoo/blob/c4b6273c9df5d8e3f3a5ee3cf52541741526280e/addons/purchase_stock/models/stock_rule.py#L14 closes odoo/odoo#43253 X-original-commit: eab5bc5bd349ef5e200a38f0c577f8c7831dd6ca Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>