diff --git a/erpnext/__version__.py b/erpnext/__version__.py
index 2536e8f4de..f8019591cf 100644
--- a/erpnext/__version__.py
+++ b/erpnext/__version__.py
@@ -1,2 +1,2 @@
 from __future__ import unicode_literals
-__version__ = '6.27.20'
+__version__ = '6.27.21'
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index e1db8be403..1eb2203905 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -7,7 +7,7 @@ app_publisher = "Frappe Technologies Pvt. Ltd."
 app_description = """ERP made simple"""
 app_icon = "icon-th"
 app_color = "#e74c3c"
-app_version = "6.27.20"
+app_version = "6.27.21"
 app_email = "info@erpnext.com"
 app_license = "GNU General Public License (v3)"
 source_link = "https://github.com/frappe/erpnext"
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 158c7265ee..7e008dad2b 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -337,8 +337,6 @@ def make_material_request(source_name, target_doc=None):
 	def postprocess(source, doc):
 		doc.material_request_type = "Purchase"
 
-	so = frappe.get_doc("Sales Order", source_name)
-
 	doc = get_mapped_doc("Sales Order", source_name, {
 		"Sales Order": {
 			"doctype": "Material Request",
@@ -352,7 +350,7 @@ def make_material_request(source_name, target_doc=None):
 				"parent": "sales_order",
 				"stock_uom": "uom"
 			}
-		}.
+		},
 		"Sales Order Item": {
 			"doctype": "Material Request Item",
 			"field_map": {
diff --git a/setup.py b/setup.py
index 3211bff585..a1088bd4bb 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 from pip.req import parse_requirements
 
-version = "6.27.20"
+version = "6.27.21"
 requirements = parse_requirements("requirements.txt", session="")
 
 setup(