refactor: use separate round off for opening entries

erpnext/controllers/accounts_controller.py

@@ -1266,7 +1266,11 @@ class AccountsController(TransactionBase):
 				d.exchange_gain_loss = difference
 
 	def make_precision_loss_gl_entry(self, gl_entries):
-		round_off_account, round_off_cost_center = get_round_off_account_and_cost_center(
+		(
+			round_off_account,
+			round_off_cost_center,
+			round_off_for_opening,
+		) = get_round_off_account_and_cost_center(
 			self.company, "Purchase Invoice", self.name, self.use_company_roundoff_cost_center
 		)