Fixes in maintenance schedule

erpnext/setup/doctype/sales_person/sales_person.py

@@ -3,7 +3,7 @@
 
 from __future__ import unicode_literals
 import frappe
-
+from frappe import _
 from frappe.utils import flt
 from frappe.utils.nestedset import NestedSet
 

erpnext/support/doctype/maintenance_schedule/maintenance_schedule.py

@@ -40,9 +40,8 @@ class MaintenanceSchedule(TransactionBase):
 				child.idx = count
 				count = count + 1
 				child.sales_person = d.sales_person
-				child.save(1)
 
-		self.on_update()
+		self.save()
 
 	def on_submit(self):
 		if not self.get('maintenance_schedule_detail'):