From 2f148c5a06ffef4d22822565c3e7cf03cca08bd9 Mon Sep 17 00:00:00 2001
From: Simone Mosciatti <simone@mweb.biz>
Date: Tue, 4 Oct 2022 00:50:23 +0200
Subject: [PATCH] update reference couter of Py_None used during repr of
 Signature object

---
 AUTHORS.rst     | 1 +
 src/signature.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/AUTHORS.rst b/AUTHORS.rst
index 762d9962f..357b11287 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -202,3 +202,4 @@ Authors::
   chengyuhang
   earl
   odidev
+  siscia
\ No newline at end of file
diff --git a/src/signature.c b/src/signature.c
index 15ccdf6ce..9867e49d7 100644
--- a/src/signature.c
+++ b/src/signature.c
@@ -246,6 +246,7 @@ Signature__repr__(Signature *self)
         encoding = to_unicode(self->encoding, self->encoding, NULL);
     } else {
         encoding = Py_None;
+        Py_INCREF(Py_None);
     }
 
     str = PyUnicode_FromFormat(