brotherton-erpnext/erpnext/patches/v13_0/update_subscription_status_in_memberships.py

import frappe


def execute():
	if frappe.db.exists("DocType", "Member"):
		frappe.reload_doc("Non Profit", "doctype", "Member")

		if frappe.db.has_column("Member", "subscription_activated"):
			frappe.db.sql(
				'UPDATE `tabMember` SET subscription_status = "Active" WHERE subscription_activated = 1'
			)
			frappe.db.sql_ddl("ALTER table `tabMember` DROP COLUMN subscription_activated")