fix: linting issues
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index fbe4e8b..97661e8 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -526,7 +526,8 @@
 		if hasattr(self, "repost_required"):
 			fields_to_check = [
 				"cash_bank_account",
-				"write_off_account" "unrealized_profit_loss_account",
+				"write_off_account",
+				"unrealized_profit_loss_account",
 			]
 			child_tables = {"items": ("expense_account",), "taxes": ("account_head",)}
 			self.needs_repost = self.check_if_fields_updated(fields_to_check, child_tables)