Rollforward of "Merge changes from github."
Change: 117375570
diff --git a/util/python/python_config.sh b/util/python/python_config.sh
index a5666c2..83e3856 100755
--- a/util/python/python_config.sh
+++ b/util/python/python_config.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2015 Google Inc. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");