Update fields_to_be_renamed.py
diff --git a/erpnext/patches/v4_0/fields_to_be_renamed.py b/erpnext/patches/v4_0/fields_to_be_renamed.py
index 69776a2..cc17697 100644
--- a/erpnext/patches/v4_0/fields_to_be_renamed.py
+++ b/erpnext/patches/v4_0/fields_to_be_renamed.py
@@ -3,7 +3,7 @@
from __future__ import unicode_literals
import frappe
-from frappe.model.utils import rename_field
+from frappe.model.utils.rename_field import rename_field
from frappe.modules import scrub, get_doctype_module
rename_map = {