update 3rdparty local build shell script

guowenxue

2021-08-17 d634817310a7186e9a84a65bb135d850d0adee17

 modules/python/sht20.py

old mode 100644
new mode 100755
@@ -1,4 +1,6 @@
#!/usr/bin/python
#-*- coding: utf-8 -*-

import fcntl
import time
import unittest