From e0d8b9cfdaa7180e03cb083b0e08258c35b19462 Mon Sep 17 00:00:00 2001
From: Brandt Bucher <brandtbucher@gmail.com>
Date: Sun, 17 Nov 2019 11:19:38 -0800
Subject: [PATCH] Clean up refleaks in module initialization.

---
 Modules/_tkinter.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 235cb6bc28dd5c..40d2ed7f88b113 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -3555,11 +3555,13 @@ PyInit__tkinter(void)
             if (!ret && GetLastError() == ERROR_ENVVAR_NOT_FOUND) {
                 str_path = _get_tcl_lib_path();
                 if (str_path == NULL && PyErr_Occurred()) {
+                    Py_DECREF(m);
                     return NULL;
                 }
                 if (str_path != NULL) {
                     wcs_path = PyUnicode_AsWideCharString(str_path, NULL);
                     if (wcs_path == NULL) {
+                        Py_DECREF(m);
                         return NULL;
                     }
                     SetEnvironmentVariableW(L"TCL_LIBRARY", wcs_path);