Make sure we are calling python3 everywhere

ipsframework/ips.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python3
+#!/usr/bin/env python3
 # -------------------------------------------------------------------------------
 # Copyright 2006-2021 UT-Battelle, LLC. See LICENSE for more information.
 # -------------------------------------------------------------------------------

ipsframework/ips_dakota_client.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 # -------------------------------------------------------------------------------
 # Copyright 2006-2021 UT-Battelle, LLC. See LICENSE for more information.
 # -------------------------------------------------------------------------------

ipsframework/ips_dakota_dynamic.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -------------------------------------------------------------------------------
 # Copyright 2006-2021 UT-Battelle, LLC. See LICENSE for more information.
 # -------------------------------------------------------------------------------

ipsframework/portalBridge.py

@@ -255,7 +255,7 @@ def send_event(self, sim_data, event_data):
             try:
                 if self.first_event:  # First time, launch sendPost.py daemon
                     cmd = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'sendPost.py')
-                    python_exec = shutil.which('python')
+                    python_exec = shutil.which('python3')
                     self.childProcess = Popen([python_exec, cmd], bufsize=128,
                                               stdin=PIPE, stdout=PIPE,
                                               stderr=PIPE, close_fds=True)

ipsframework/sendPost.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -------------------------------------------------------------------------------
 #  Copyright 2006-2021 UT-Battelle, LLC. See LICENSE for more information.
 # -------------------------------------------------------------------------------

ipsframework/utils/HTML.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 # -*- coding: iso-8859-1 -*-
 """
 HTML.py - v0.04 2009-07-28 Philippe Lagadec