diff --git a/erpnext/stock/doctype/item_price/item_price.py b/erpnext/stock/doctype/item_price/item_price.py
index 54f534f..bed5ea9 100644
--- a/erpnext/stock/doctype/item_price/item_price.py
+++ b/erpnext/stock/doctype/item_price/item_price.py
@@ -46,12 +46,7 @@
 			self.item_name, self.item_description = frappe.db.get_value("Item", self.item_code,["item_name", "description"])
 
 	def check_duplicates(self):
-		conditions = """
-			where
-				item_code = %(item_code)s
-				and price_list = %(price_list)s
-				and name != %(name)s
-		"""
+		conditions = """where item_code = %(item_code)s and price_list = %(price_list)s and name != %(name)s"""
 
 		for field in [
 			"uom",
@@ -59,23 +54,18 @@
 			"valid_upto",
 			"packing_unit",
 			"customer",
-			"supplier",
-		]:
+			"supplier",]:
 			if self.get(field):
 				conditions += " and {0} = %({0})s ".format(field)
 			else:
 				conditions += "and (isnull({0}) or {0} = '')".format(field)
 
-		price_list_rate = frappe.db.sql(
-			"""
+		price_list_rate = frappe.db.sql("""
 				select price_list_rate
 				from `tabItem Price`
 				{conditions}
-			""".format(
-				conditions=conditions
-			),
-			self.as_dict(),
-		)
+			""".format(conditions=conditions),
+			self.as_dict(),)
 
 		if price_list_rate:
 			frappe.throw(_("Item Price appears multiple times based on Price List, Supplier/Customer, Currency, Item, UOM, Qty, and Dates."), ItemPriceDuplicateItem,)