Fix hashbang in vCPE Python scripts

Change-Id: Id2b7ec151e1a006a5a85b8544e478fd9cf282715
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
Issue-ID: TEST-220
diff --git a/test/vcpe/loop.py b/test/vcpe/loop.py
index d024396..3dc1948 100755
--- a/test/vcpe/loop.py
+++ b/test/vcpe/loop.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!/usr/bin/env python
 
 import time
 import logging