diff --git a/metadef b/metadef
index 6cf69b1..4b54fc3 160000
--- a/metadef
+++ b/metadef
@@ -1 +1 @@
-Subproject commit 6cf69b1dae831ac1275529a3876a2ffc2f29f5a1
+Subproject commit 4b54fc3ce1c961606aadd0e4568598ef1d96e1d7
diff --git a/parser/func_to_graph/func2graph.py b/parser/func_to_graph/func2graph.py
index 6419d51..d1dd7f1 100644
--- a/parser/func_to_graph/func2graph.py
+++ b/parser/func_to_graph/func2graph.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 -*-
 #-------------------------------------------------------------------
 # Purpose: