Index: deal.ii/contrib/utilities/check_encoding.py
===================================================================
--- deal.ii.orig/contrib/utilities/check_encoding.py	2024-09-27 11:14:48.780835181 -0500
+++ deal.ii/contrib/utilities/check_encoding.py	2024-09-27 11:15:06.794157791 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
Index: deal.ii/contrib/utilities/checkdoxygen.py
===================================================================
--- deal.ii.orig/contrib/utilities/checkdoxygen.py	2024-09-27 11:14:48.780835181 -0500
+++ deal.ii/contrib/utilities/checkdoxygen.py	2024-09-27 11:14:48.777501851 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # run this script on all headers of deal.II to check various doxygen related problems
 
Index: deal.ii/contrib/utilities/indent.py
===================================================================
--- deal.ii.orig/contrib/utilities/indent.py	2024-09-27 11:14:48.780835181 -0500
+++ deal.ii/contrib/utilities/indent.py	2024-09-27 11:14:48.777501851 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 ## ------------------------------------------------------------------------
 ##
Index: deal.ii/contrib/utilities/parse_ctest_output.py
===================================================================
--- deal.ii.orig/contrib/utilities/parse_ctest_output.py	2024-09-27 11:14:48.780835181 -0500
+++ deal.ii/contrib/utilities/parse_ctest_output.py	2024-09-27 11:14:48.777501851 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 ## ------------------------------------------------------------------------
 ##
Index: deal.ii/contrib/utilities/print_deprecated.py
===================================================================
--- deal.ii.orig/contrib/utilities/print_deprecated.py	2024-09-27 11:14:48.780835181 -0500
+++ deal.ii/contrib/utilities/print_deprecated.py	2024-09-27 11:14:48.777501851 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 ## ------------------------------------------------------------------------
 ##
Index: deal.ii/contrib/utilities/relocate_libraries.py
===================================================================
--- deal.ii.orig/contrib/utilities/relocate_libraries.py	2024-09-27 11:14:48.780835181 -0500
+++ deal.ii/contrib/utilities/relocate_libraries.py	2024-09-27 11:14:48.777501851 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 ## ------------------------------------------------------------------------
 ##
Index: deal.ii/contrib/utilities/wrapcomments.py
===================================================================
--- deal.ii.orig/contrib/utilities/wrapcomments.py	2024-09-27 11:14:48.780835181 -0500
+++ deal.ii/contrib/utilities/wrapcomments.py	2024-09-27 11:14:48.777501851 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 ## ------------------------------------------------------------------------
 ##