import frappe def execute(): frappe.reload_doc("loan_management", "doctype", "loan") loan = frappe.qb.DocType("Loan") for company in frappe.get_all("Company", pluck="name"): default_cost_center = frappe.db.get_value("Company", company, "cost_center") frappe.qb.update(loan).set(loan.cost_center, default_cost_center).where( loan.company == company ).run()