From 13efb8a28a5f97e071a0ab35c738c3dc0262d7e7 Mon Sep 17 00:00:00 2001
From: Sergey B Kirpichev <skirpichev@gmail.com>
Date: Fri, 13 Sep 2024 17:51:06 +0300
Subject: [PATCH] Fix memory leak in GMPy_CTXT_Exit()

Closes #515
---
 src/gmpy2_context.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gmpy2_context.c b/src/gmpy2_context.c
index 8ef870be..fecd79af 100644
--- a/src/gmpy2_context.c
+++ b/src/gmpy2_context.c
@@ -184,7 +184,9 @@ GMPy_CTXT_Enter(PyObject *self, PyObject *args)
 static PyObject *
 GMPy_CTXT_Exit(PyObject *self, PyObject *args)
 {
-    int res = PyContextVar_Reset(current_context_var, ((CTXT_Object*)self)->token);
+    CTXT_Object *ctx = (CTXT_Object*)self;
+    int res = PyContextVar_Reset(current_context_var, ctx->token);
+    Py_DECREF(ctx->token);
     if (res == -1) {
         SYSTEM_ERROR("Unexpected failure in restoring context.");
         return NULL;