brotherton-erpnext/erpnext/patches/v12_0/recalculate_requested_qty_in_bin.py

import frappe

from erpnext.stock.stock_balance import get_indented_qty, update_bin_qty


def execute():
	bin_details = frappe.db.sql("""
		SELECT item_code, warehouse
		FROM `tabBin`""",as_dict=1)

	for entry in bin_details:
		if not (entry.item_code and entry.warehouse):
			continue
		update_bin_qty(entry.get("item_code"), entry.get("warehouse"), {
			"indented_qty": get_indented_qty(entry.get("item_code"), entry.get("warehouse"))
		})