bpo-38823: Clean up refleaks in _tkinter initialization. (GH-17206)

https://bugs.python.org/issue38823 (cherry picked from commit 289cf0f) Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
python · Nov 18, 2019 · 42a4359 · 42a4359
1 parent bef2815
commit 42a4359
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
@@ -3549,11 +3549,13 @@ 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);