diff --git a/erpnext/buying/doctype/purchase_order/test_purchase_order.py b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
index 5c8220894b8..c6ee35d6090 100644
--- a/erpnext/buying/doctype/purchase_order/test_purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
@@ -46,8 +46,8 @@ class TestPurchaseOrder(FrappeTestCase):
 		# InvalidQtyError with qty=0
 		po.items[1].qty = 0
 		self.assertRaises(InvalidQtyError, po.save)
-    
-    # No error with qty=1
+
+		# No error with qty=1
 		po.items[1].qty = 1
 		po.save()
 		self.assertEqual(po.items[1].qty, 1)
diff --git a/erpnext/buying/doctype/request_for_quotation/test_request_for_quotation.py b/erpnext/buying/doctype/request_for_quotation/test_request_for_quotation.py
index f119840e042..1a8b3a8ac47 100644
--- a/erpnext/buying/doctype/request_for_quotation/test_request_for_quotation.py
+++ b/erpnext/buying/doctype/request_for_quotation/test_request_for_quotation.py
@@ -31,8 +31,8 @@ class TestRequestforQuotation(FrappeTestCase):
 		rfq.items[0].qty = 1
 		rfq.save()
 		self.assertEqual(rfq.items[0].qty, 1)
-  
-  def test_rfq_zero_qty(self):
+
+	def test_rfq_zero_qty(self):
 		"""
 		Test if RFQ with zero qty (Unit Price Item) is conditionally allowed.
 		"""
diff --git a/erpnext/selling/doctype/quotation/test_quotation.py b/erpnext/selling/doctype/quotation/test_quotation.py
index 49652cbde85..f6f4d98d541 100644
--- a/erpnext/selling/doctype/quotation/test_quotation.py
+++ b/erpnext/selling/doctype/quotation/test_quotation.py
@@ -20,8 +20,8 @@ class TestQuotation(FrappeTestCase):
 		qo.items[0].qty = 1
 		qo.save()
 		self.assertEqual(qo.items[0].qty, 1)
-  
-  def test_quotation_zero_qty(self):
+
+	def test_quotation_zero_qty(self):
 		"""
 		Test if Quote with zero qty (Unit Price Item) is conditionally allowed.
 		"""