From 133b92679ab23e0fa4a6f3b6e45f493312531024 Mon Sep 17 00:00:00 2001
From: Ralf Gommers <ralf.gommers@gmail.com>
Date: Mon, 13 Jun 2022 20:20:06 +0200
Subject: [PATCH] BUG: fix small refcount issue in `ndimage._ctest`

Note that this is only test code, so it wasn't a real-world problem.

Closes gh-16236

Reference: https://github.com/scipy/scipy/pull/16397/commits/133b92679ab23e0fa4a6f3b6e45f493312531024
Conflict: NA
---
 scipy/ndimage/src/_ctest.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scipy/ndimage/src/_ctest.c b/scipy/ndimage/src/_ctest.c
index fe8ce676e..f84ba064a 100644
--- a/scipy/ndimage/src/_ctest.c
+++ b/scipy/ndimage/src/_ctest.c
@@ -93,6 +93,8 @@ py_filter2d(PyObject *obj, PyObject *args)
 	    goto error;
 	}
 	callback_data[i] = PyFloat_AsDouble(item);
+        Py_DECREF(item);
+        item = NULL;
 	if (PyErr_Occurred()) goto error;
     }
 
-- 
2.33.0