diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index d86b6c7..994b903 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -407,11 +407,19 @@
 								if item_qty != len(get_serial_nos(item.get('serial_no'))):
 									item.set(fieldname, value)
 
-							elif ret.get("pricing_rule_removed") and value is not None \
-								and fieldname in [
-									'discount_percentage', 'discount_amount', 'rate',
-									'margin_rate_or_amount', 'margin_type', 'remove_free_item'
-								]:
+							elif (
+								ret.get("pricing_rule_removed")
+								and value is not None
+								and fieldname
+								in [
+									"discount_percentage",
+									"discount_amount",
+									"rate",
+									"margin_rate_or_amount",
+									"margin_type",
+									"remove_free_item",
+								]
+							):
 								# reset pricing rule fields if pricing_rule_removed
 								item.set(fieldname, value)