Update setup_wiringPi shell script

guowenxue

2019-07-30 c6dff0f738ecd7b1d8f7857dbf3b49fb23ee9b29

 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