From f2d5efc60709614f16c9b3dbad28dc20e7074255 Mon Sep 17 00:00:00 2001
From: Luigi Ballabio <luigi.ballabio@gmail.com>
Date: Thu, 18 Jul 2024 19:04:09 +0200
Subject: [PATCH] Restore keyword args for swaption implied vol

---
 SWIG/swaption.i | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/SWIG/swaption.i b/SWIG/swaption.i
index f1784d836..050b8219b 100644
--- a/SWIG/swaption.i
+++ b/SWIG/swaption.i
@@ -59,7 +59,9 @@ class Swaption : public Option {
     const ext::shared_ptr<FixedVsFloatingSwap>& underlying() const;
     const ext::shared_ptr<VanillaSwap>& underlyingSwap() const;
     
-    //! implied volatility
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") impliedVolatility;
+    #endif
     Volatility impliedVolatility(
                           Real price,
                           const Handle<YieldTermStructure>& discountCurve,