diff --git a/erpnext/accounts/doctype/bank_transaction/bank_transaction.py b/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
index 44cea31..51e1d6e 100644
--- a/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
+++ b/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
@@ -2,9 +2,10 @@
 # For license information, please see license.txt
 
 
+from functools import reduce
+
 import frappe
 from frappe.utils import flt
-from six.moves import reduce
 
 from erpnext.controllers.status_updater import StatusUpdater
 
diff --git a/erpnext/accounts/report/accounts_receivable_summary/accounts_receivable_summary.py b/erpnext/accounts/report/accounts_receivable_summary/accounts_receivable_summary.py
index 4559fa9..8e3bd8b 100644
--- a/erpnext/accounts/report/accounts_receivable_summary/accounts_receivable_summary.py
+++ b/erpnext/accounts/report/accounts_receivable_summary/accounts_receivable_summary.py
@@ -5,7 +5,6 @@
 import frappe
 from frappe import _, scrub
 from frappe.utils import cint, flt
-from six import iteritems
 
 from erpnext.accounts.party import get_partywise_advanced_payment_amount
 from erpnext.accounts.report.accounts_receivable.accounts_receivable import ReceivablePayableReport
@@ -40,7 +39,7 @@
 		if self.filters.show_gl_balance:
 			gl_balance_map = get_gl_balance(self.filters.report_date)
 
-		for party, party_dict in iteritems(self.party_total):
+		for party, party_dict in self.party_total.items():
 			if party_dict.outstanding == 0:
 				continue
 
diff --git a/erpnext/crm/doctype/linkedin_settings/linkedin_settings.py b/erpnext/crm/doctype/linkedin_settings/linkedin_settings.py
index 8fd4978..d2ac10a 100644
--- a/erpnext/crm/doctype/linkedin_settings/linkedin_settings.py
+++ b/erpnext/crm/doctype/linkedin_settings/linkedin_settings.py
@@ -2,13 +2,14 @@
 # For license information, please see license.txt
 
 
+from urllib.parse import urlencode
+
 import frappe
 import requests
 from frappe import _
 from frappe.model.document import Document
 from frappe.utils import get_url_to_form
 from frappe.utils.file_manager import get_file_path
-from six.moves.urllib.parse import urlencode
 
 
 class LinkedInSettings(Document):
diff --git a/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_methods.py b/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_methods.py
index 66826ba..03c1a1a 100644
--- a/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_methods.py
+++ b/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_methods.py
@@ -5,11 +5,11 @@
 import csv
 import math
 import time
+from io import StringIO
 
 import dateutil
 import frappe
 from frappe import _
-from six import StringIO
 
 import erpnext.erpnext_integrations.doctype.amazon_mws_settings.amazon_mws_api as mws
 
diff --git a/erpnext/erpnext_integrations/doctype/gocardless_settings/gocardless_settings.py b/erpnext/erpnext_integrations/doctype/gocardless_settings/gocardless_settings.py
index e242ace..a8119ac 100644
--- a/erpnext/erpnext_integrations/doctype/gocardless_settings/gocardless_settings.py
+++ b/erpnext/erpnext_integrations/doctype/gocardless_settings/gocardless_settings.py
@@ -2,13 +2,14 @@
 # For license information, please see license.txt
 
 
+from urllib.parse import urlencode
+
 import frappe
 import gocardless_pro
 from frappe import _
 from frappe.integrations.utils import create_payment_gateway, create_request_log
 from frappe.model.document import Document
 from frappe.utils import call_hook_method, cint, flt, get_url
-from six.moves.urllib.parse import urlencode
 
 
 class GoCardlessSettings(Document):
diff --git a/erpnext/erpnext_integrations/doctype/woocommerce_settings/woocommerce_settings.py b/erpnext/erpnext_integrations/doctype/woocommerce_settings/woocommerce_settings.py
index 8da52f4..309d2cb 100644
--- a/erpnext/erpnext_integrations/doctype/woocommerce_settings/woocommerce_settings.py
+++ b/erpnext/erpnext_integrations/doctype/woocommerce_settings/woocommerce_settings.py
@@ -2,12 +2,13 @@
 # For license information, please see license.txt
 
 
+from urllib.parse import urlparse
+
 import frappe
 from frappe import _
 from frappe.custom.doctype.custom_field.custom_field import create_custom_field
 from frappe.model.document import Document
 from frappe.utils.nestedset import get_root_of
-from six.moves.urllib.parse import urlparse
 
 
 class WoocommerceSettings(Document):
diff --git a/erpnext/erpnext_integrations/utils.py b/erpnext/erpnext_integrations/utils.py
index d922d87..30d3948 100644
--- a/erpnext/erpnext_integrations/utils.py
+++ b/erpnext/erpnext_integrations/utils.py
@@ -1,10 +1,10 @@
 import base64
 import hashlib
 import hmac
+from urllib.parse import urlparse
 
 import frappe
 from frappe import _
-from six.moves.urllib.parse import urlparse
 
 from erpnext import get_default_company
 
diff --git a/erpnext/regional/germany/utils/datev/datev_csv.py b/erpnext/regional/germany/utils/datev/datev_csv.py
index 2d1e02e..ec271a1 100644
--- a/erpnext/regional/germany/utils/datev/datev_csv.py
+++ b/erpnext/regional/germany/utils/datev/datev_csv.py
@@ -1,11 +1,11 @@
 import datetime
 import zipfile
 from csv import QUOTE_NONNUMERIC
+from io import BytesIO
 
 import frappe
 import pandas as pd
 from frappe import _
-from six import BytesIO
 
 from .datev_constants import DataCategory
 
diff --git a/erpnext/regional/report/datev/test_datev.py b/erpnext/regional/report/datev/test_datev.py
index 14d5495..052fb2a 100644
--- a/erpnext/regional/report/datev/test_datev.py
+++ b/erpnext/regional/report/datev/test_datev.py
@@ -1,9 +1,9 @@
 import zipfile
+from io import BytesIO
 from unittest import TestCase
 
 import frappe
 from frappe.utils import cstr, now_datetime, today
-from six import BytesIO
 
 from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
 from erpnext.regional.germany.utils.datev.datev_constants import (
diff --git a/erpnext/setup/doctype/item_group/item_group.py b/erpnext/setup/doctype/item_group/item_group.py
index c94b346..9f1eb75 100644
--- a/erpnext/setup/doctype/item_group/item_group.py
+++ b/erpnext/setup/doctype/item_group/item_group.py
@@ -3,6 +3,7 @@
 
 
 import copy
+from urllib.parse import quote
 
 import frappe
 from frappe import _
@@ -10,7 +11,6 @@
 from frappe.utils.nestedset import NestedSet
 from frappe.website.utils import clear_cache
 from frappe.website.website_generator import WebsiteGenerator
-from six.moves.urllib.parse import quote
 
 from erpnext.shopping_cart.filters import ProductFiltersBuilder
 from erpnext.shopping_cart.product_info import set_product_info_for_website