changes set_only_once field for tabDocField to 1

erpnext/patches/v8_0/change_set_only_once_to_for_naming_series_field.py

@@ -0,0 +1,11 @@
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	frappe.db.sql(
+		"""
+		UPDATE `tabDocField`
+		SET set_only_once = 1
+		WHERE fieldname = 'naming_series';
+		"""
+	)