chore: remove all six compat code

erpnext/demo/demo.py

@@ -1,4 +1,3 @@
-
 import sys
 
 import frappe

erpnext/demo/domains.py

@@ -1,4 +1,3 @@
-
 data = {
 	'Manufacturing': {
 		'company_name': 'Wind Power LLC'

erpnext/demo/setup/manufacture.py

@@ -1,10 +1,8 @@
-
 import json
 import random
 
 import frappe
 from frappe.utils import add_days, nowdate
-from six import iteritems
 
 from erpnext.demo.domains import data
 from erpnext.demo.setup.setup_data import import_json
@@ -130,7 +128,7 @@ def setup_item_price():
 	}
 
 	for price_list in ("standard_buying", "standard_selling"):
-		for item, rate in iteritems(locals().get(price_list)):
+		for item, rate in locals().get(price_list).items():
 			frappe.get_doc({
 				"doctype": "Item Price",
 				"price_list": price_list.replace("_", " ").title(),

erpnext/demo/setup/retail.py

@@ -1,8 +1,6 @@
-
 import json
 
 import frappe
-from six import iteritems
 
 from erpnext.demo.domains import data
 
@@ -52,7 +50,7 @@ def setup_item_price():
 	}
 
 	for price_list in ("standard_buying", "standard_selling"):
-		for item, rate in iteritems(locals().get(price_list)):
+		for item, rate in locals().get(price_list).items():
 			frappe.get_doc({
 				"doctype": "Item Price",
 				"price_list": price_list.replace("_", " ").title(),

erpnext/demo/setup/setup_data.py

@@ -1,4 +1,3 @@
-
 import json
 import random
 

erpnext/demo/user/accounts.py

@@ -1,4 +1,3 @@
-
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 

erpnext/demo/user/education.py

@@ -1,4 +1,3 @@
-
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 

erpnext/demo/user/fixed_asset.py

@@ -1,4 +1,3 @@
-
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 

erpnext/demo/user/hr.py

@@ -1,4 +1,3 @@
-
 import datetime
 import random