Fix missing DECREF of mod. (#4749)

diff --git a/Python/import.c b/Python/import.c
index cc7417ba84e1c75ea0c2995cd58320238b43a49d..dc79685abd48739b7eb3a35b067bea0108904663 100644 (file)
--- a/Python/import.c
+++ b/Python/import.c
@@ -1735,6 +1735,7 @@ PyImport_ImportModuleLevelObject(PyObject *name, PyObject *globals,
         }
     }
     else {
+        Py_XDECREF(mod);
         mod = import_find_and_load(abs_name);
         if (mod == NULL) {
             goto error;