[PY3] updated CondTools/SiStrip scripts to use python3

CondTools/SiStrip/scripts/SiStripDAQPopCon.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 '''Script that runs a single O2O for SiStrip DAQ.
 @author: Huilin Qu
 '''

CondTools/SiStrip/scripts/SiStripDCSPopCon.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 '''Script that runs SiStrip DCS O2O.
 @author: Huilin Qu
 '''

CondTools/SiStrip/scripts/o2oRun_SiStripDAQ.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 '''
 Main Script to run all SiStrip DAQ O2Os at the same time.
 @author: Huilin Qu

CondTools/SiStrip/scripts/o2oRun_SiStripDCS.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 '''
 Top level script to run SiStrip DCS O2O.
 @author: Huilin Qu