diff --git a/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_mws_api.py b/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_mws_api.py
index f713684d37c..7fd3b34fd5d 100755
--- a/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_mws_api.py
+++ b/erpnext/erpnext_integrations/doctype/amazon_mws_settings/amazon_mws_api.py
@@ -7,6 +7,7 @@
 from __future__ import unicode_literals
 
 import urllib
+from urllib.parse import quote
 import hashlib
 import hmac
 import base64
@@ -68,8 +69,9 @@ def calc_md5(string):
 	"""
 	md = hashlib.md5()
 	md.update(string)
-	return base64.encodestring(md.digest()).strip('\n') if six.PY2 \
-		else base64.encodebytes(md.digest()).decode().strip()
+	return base64.encodebytes(md.digest()).decode().strip()
+
+
 
 def remove_empty(d):
 	"""
@@ -177,7 +179,6 @@ class MWS(object):
 			'SignatureMethod': 'HmacSHA256',
 		}
 		params.update(extra_data)
-		quote = urllib.quote if six.PY2 else urllib.parse.quote
 		request_description = '&'.join(['%s=%s' % (k, quote(params[k], safe='-_.~')) for k in sorted(params)])
 		signature = self.calc_signature(method, request_description)
 		url = '%s%s?%s&Signature=%s' % (self.domain, self.uri, request_description, quote(signature))
diff --git a/erpnext/regional/germany/utils/datev/datev_csv.py b/erpnext/regional/germany/utils/datev/datev_csv.py
index 826d51f7128..122c15fd811 100644
--- a/erpnext/regional/germany/utils/datev/datev_csv.py
+++ b/erpnext/regional/germany/utils/datev/datev_csv.py
@@ -55,8 +55,7 @@ def get_datev_csv(data, filters, csv_class):
 		quoting=QUOTE_NONNUMERIC
 	)
 
-	if not six.PY2:
-		data = data.encode('latin_1', errors='replace')
+	data = data.encode('latin_1', errors='replace')
 
 	header = get_header(filters, csv_class)
 	header = ';'.join(header).encode('latin_1', errors='replace')
diff --git a/erpnext/regional/india/e_invoice/utils.py b/erpnext/regional/india/e_invoice/utils.py
index 7f25812b47d..843fb012b91 100644
--- a/erpnext/regional/india/e_invoice/utils.py
+++ b/erpnext/regional/india/e_invoice/utils.py
@@ -534,11 +534,9 @@ def santize_einvoice_fields(einvoice):
 	return einvoice
 
 def safe_json_load(json_string):
-	JSONDecodeError = ValueError if six.PY2 else json.JSONDecodeError
-
 	try:
 		return json.loads(json_string)
-	except JSONDecodeError as e:
+	except json.JSONDecodeError as e:
 		# print a snippet of 40 characters around the location where error occured
 		pos = e.pos
 		start, end = max(0, pos-20), min(len(json_string)-1, pos+20)