[fix] [minor] fetch supplier default currency only if it exists
diff --git a/utilities/transaction_base.py b/utilities/transaction_base.py
index fc746c4..6628601 100644
--- a/utilities/transaction_base.py
+++ b/utilities/transaction_base.py
@@ -129,7 +129,8 @@
 
 		supplier = webnotes.doc("Supplier", self.doc.supplier)
 		out["supplier_name"] = supplier.supplier_name
-		out["currency"] = supplier.default_currency
+		if supplier.default_currency:
+			out["currency"] = supplier.default_currency
 		
 		return out