Update employee.py
diff --git a/erpnext/hr/doctype/employee/employee.py b/erpnext/hr/doctype/employee/employee.py
index 703ec06..2f88e1e 100755
--- a/erpnext/hr/doctype/employee/employee.py
+++ b/erpnext/hr/doctype/employee/employee.py
@@ -4,7 +4,7 @@
from __future__ import unicode_literals
import frappe
-from frappe.utils import getdate, validate_email_address, today, add_years, format_datetime
+from frappe.utils import getdate, validate_email_address, today, add_years, format_datetime, cstr
from frappe.model.naming import set_name_by_naming_series
from frappe import throw, _, scrub
from frappe.permissions import add_user_permission, remove_user_permission, \
@@ -218,8 +218,8 @@
def reset_employee_emails_cache(self):
prev_doc = self.get_doc_before_save() or {}
- cell_number = self.get('cell_number')
- prev_number = prev_doc.get('cell_number')
+ cell_number = cstr(self.get('cell_number'))
+ prev_number = cstr(prev_doc.get('cell_number'))
if (cell_number != prev_number or
self.get('user_id') != prev_doc.get('user_id')):
frappe.cache().hdel('employees_with_number', cell_number)