[Python-checkins] Fix missing DECREF of mod. (#4749)

[Neil Schemenauer]

https://github.com/python/cpython/commit/11cc289490b7b275fc0a033e2b376a8d4c780d9b
commit: 11cc289490b7b275fc0a033e2b376a8d4c780d9b
branch: master
author: Neil Schemenauer <nas-github at arctrix.com>
committer: GitHub <noreply at github.com>
date: 2017-12-07T16:24:59-08:00
summary:

Fix missing DECREF of mod. (#4749)

files:
M Python/import.c

diff --git a/Python/import.c b/Python/import.c
index cc7417ba84e..dc79685abd4 100644
--- 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;