mod_python: fix memory leak (MODLANG-136)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15432 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/languages/mod_python/mod_python.c

@@ -187,6 +187,7 @@ static void eval_some_python(const char *funcname, char *args, switch_core_sessi
 	// invoke the handler 
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Call python script \n");
 	result = PyEval_CallObjectWithKeywords(function, arg, (PyObject *) NULL);
+	Py_DECREF(function);
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Finished calling python script \n");
 	
 	// check the result and print out any errors