PYTHON-1554 Fix datetime decoding memory leak

ShaneHarvey · ShaneHarvey · commit 5ff33a2a3716 · 2018-05-22T13:42:59.000-07:00
diff --git a/bson/_cbsonmodule.c b/bson/_cbsonmodule.c
@@ -2120,6 +2120,7 @@ static PyObject* get_value(PyObject* self, PyObject* name, const char* buffer,
             /* convert to local time */
             if (options->tzinfo != Py_None) {
                 astimezone = PyObject_GetAttrString(value, "astimezone");
+                Py_DECREF(value);
                 if (!astimezone) {
                     Py_DECREF(replace);
                     Py_DECREF(args);
