Use 'python3' to access Python

common_tools/git/cherry-pick-commits.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # @HEADER
 # ************************************************************************
 #

common_tools/git/commit-summary-over-periods.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # @HEADER
 # ************************************************************************
 #

common_tools/git/hooks/server-side/get_recipients.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import commands
 import os

common_tools/git/hooks/server-side/update_push_log.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # @HEADER
 # ************************************************************************
 #

common_tools/test/hhmmss_math.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # This simple set of python functions makes it easy to do simple math with
 # times formatted as <hr>h<min>m<sec>s.  This makes it easier to analyze

common_tools/test/kill-pstree.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # @HEADER
 # ************************************************************************
 #

refactoring/remove_std_tribits_includes.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 include_files_to_remove = [
   "AddSubdirectories",

tribits/doc/guides/TribitsGuidesBody.rst

@@ -4233,7 +4233,8 @@ repositories if specified).  There are several python tools under
 ``tribits/ci_support/`` that read in this file and use the created
 data-structure for various tasks.  This file and these tools are used by
 `checkin-test.py`_ and `tribits_ctest_driver()`_.  But these tools can also be
-used to construct other workflows and tools.
+used to construct other workflows and tools.  These tools require a Python3
+installation and for the `python3` executable to be installed.
 
 .. _TribitsDumpDepsXmlScript.cmake: