diff --git a/erpnext/demo/data/employee.json b/erpnext/demo/data/employee.json
index a77d706..2d2dbe8 100644
--- a/erpnext/demo/data/employee.json
+++ b/erpnext/demo/data/employee.json
@@ -1,92 +1,92 @@
 [
- {
-  "date_of_birth": "1982-01-03", 
-  "date_of_joining": "2001-10-10", 
-  "employee_name": "Diana Prince",
-  "first_name": "Diana",
-  "last_name": "Prince",
-  "gender": "Female", 
-  "user_id": "DianaPrince@example.com"
- }, 
- {
-  "date_of_birth": "1959-02-03", 
-  "date_of_joining": "1976-09-16", 
-  "employee_name": "Zatanna Zatara", 
-  "gender": "Female", 
-  "user_id": "ZatannaZatara@example.com",
-  "first_name": "Zatanna",
-  "last_name": "Zatara"
- }, 
- {
-  "date_of_birth": "1982-03-03", 
-  "date_of_joining": "2000-06-16", 
-  "employee_name": "Holly Granger", 
-  "gender": "Female", 
-  "user_id": "HollyGranger@example.com",
-  "first_name": "Holly",
-  "last_name": "Granger"
- }, 
- {
-  "date_of_birth": "1945-04-04", 
-  "date_of_joining": "1969-07-01", 
-  "employee_name": "Neptunia Aquaria", 
-  "gender": "Female", 
-  "user_id": "NeptuniaAquaria@example.com",
-  "first_name": "Neptunia",
-  "last_name": "Aquaria"
- }, 
- {
-  "date_of_birth": "1978-05-03", 
-  "date_of_joining": "1999-12-24", 
-  "employee_name": "Arthur Curry", 
-  "gender": "Male", 
-  "user_id": "ArthurCurry@example.com",
-  "first_name": "Arthur",
-  "last_name": "Curry"
- }, 
- {
-  "date_of_birth": "1964-06-03", 
-  "date_of_joining": "1981-08-05", 
-  "employee_name": "Thalia Al Ghul", 
-  "gender": "Female", 
-  "user_id": "ThaliaAlGhul@example.com",
-  "first_name": "Thalia",
-  "last_name": "Al Ghul"
- }, 
- {
-  "date_of_birth": "1982-07-03", 
-  "date_of_joining": "2006-06-10", 
-  "employee_name": "Maxwell Lord", 
-  "gender": "Male", 
-  "user_id": "MaxwellLord@example.com",
-  "first_name": "Maxwell",
-  "last_name": "Lord"
- }, 
- {
-  "date_of_birth": "1969-08-03", 
-  "date_of_joining": "1993-10-21", 
-  "employee_name": "Grace Choi", 
-  "gender": "Female", 
-  "user_id": "GraceChoi@example.com",
-  "first_name": "Grace",
-  "last_name": "Choi"
- }, 
- {
-  "date_of_birth": "1982-09-03", 
-  "date_of_joining": "2005-09-06", 
-  "employee_name": "Vandal Savage", 
-  "gender": "Male", 
-  "user_id": "VandalSavage@example.com",
-  "first_name": "Vandal",
-  "last_name": "Savage"
- }, 
- {
-  "date_of_birth": "1985-10-03", 
-  "date_of_joining": "2007-12-25", 
-  "employee_name": "Caitlin Snow", 
-  "gender": "Female", 
-  "user_id": "CaitlinSnow@example.com",
-  "first_name": "Caitlin",
-  "last_name": "Snow"
- }
+	{
+		"date_of_birth": "1982-01-03",
+		"date_of_joining": "2001-10-10",
+		"employee_name": "Diana Prince",
+		"first_name": "Diana",
+		"last_name": "Prince",
+		"gender": "Female",
+		"user_id": "DianaPrince@example.com"
+	},
+	{
+		"date_of_birth": "1959-02-03",
+		"date_of_joining": "1976-09-16",
+		"employee_name": "Zatanna Zatara",
+		"gender": "Female",
+		"user_id": "ZatannaZatara@example.com",
+		"first_name": "Zatanna",
+		"last_name": "Zatara"
+	},
+	{
+		"date_of_birth": "1982-03-03",
+		"date_of_joining": "2000-06-16",
+		"employee_name": "Holly Granger",
+		"gender": "Female",
+		"user_id": "HollyGranger@example.com",
+		"first_name": "Holly",
+		"last_name": "Granger"
+	},
+	{
+		"date_of_birth": "1945-04-04",
+		"date_of_joining": "1969-07-01",
+		"employee_name": "Neptunia Aquaria",
+		"gender": "Female",
+		"user_id": "NeptuniaAquaria@example.com",
+		"first_name": "Neptunia",
+		"last_name": "Aquaria"
+	},
+	{
+		"date_of_birth": "1978-05-03",
+		"date_of_joining": "1999-12-24",
+		"employee_name": "Arthur Curry",
+		"gender": "Male",
+		"user_id": "ArthurCurry@example.com",
+		"first_name": "Arthur",
+		"last_name": "Curry"
+	},
+	{
+		"date_of_birth": "1964-06-03",
+		"date_of_joining": "1981-08-05",
+		"employee_name": "Thalia Al Ghul",
+		"gender": "Female",
+		"user_id": "ThaliaAlGhul@example.com",
+		"first_name": "Thalia",
+		"last_name": "Al Ghul"
+	},
+	{
+		"date_of_birth": "1982-07-03",
+		"date_of_joining": "2006-06-10",
+		"employee_name": "Maxwell Lord",
+		"gender": "Male",
+		"user_id": "MaxwellLord@example.com",
+		"first_name": "Maxwell",
+		"last_name": "Lord"
+	},
+	{
+		"date_of_birth": "1969-08-03",
+		"date_of_joining": "1993-10-21",
+		"employee_name": "Grace Choi",
+		"gender": "Female",
+		"user_id": "GraceChoi@example.com",
+		"first_name": "Grace",
+		"last_name": "Choi"
+	},
+	{
+		"date_of_birth": "1982-09-03",
+		"date_of_joining": "2005-09-06",
+		"employee_name": "Vandal Savage",
+		"gender": "Male",
+		"user_id": "VandalSavage@example.com",
+		"first_name": "Vandal",
+		"last_name": "Savage"
+	},
+	{
+		"date_of_birth": "1985-10-03",
+		"date_of_joining": "2007-12-25",
+		"employee_name": "Caitlin Snow",
+		"gender": "Female",
+		"user_id": "CaitlinSnow@example.com",
+		"first_name": "Caitlin",
+		"last_name": "Snow"
+	}
 ]
\ No newline at end of file
diff --git a/erpnext/demo/user/hr.py b/erpnext/demo/user/hr.py
index aace773..79f3c19 100644
--- a/erpnext/demo/user/hr.py
+++ b/erpnext/demo/user/hr.py
@@ -2,7 +2,6 @@
 import frappe, erpnext
 import random
 import datetime
-from frappe import _
 from frappe.utils import random_string, add_days, get_last_day, getdate
 from erpnext.projects.doctype.timesheet.test_timesheet import make_timesheet
 from erpnext.projects.doctype.timesheet.timesheet import make_salary_slip, make_sales_invoice
diff --git a/erpnext/demo/user/manufacturing.py b/erpnext/demo/user/manufacturing.py
index 612dc49..a28d061 100644
--- a/erpnext/demo/user/manufacturing.py
+++ b/erpnext/demo/user/manufacturing.py
@@ -4,7 +4,7 @@
 from __future__ import unicode_literals
 
 import frappe, random, erpnext
-from datetime import datetime, timedelta
+from datetime import timedelta
 from frappe.utils.make_random import how_many
 from frappe.desk import query_report
 from erpnext.manufacturing.doctype.workstation.workstation import WorkstationHolidayError