Updated headers in python files.

test/keystrokes/firefox/aria_alert.py

@@ -1,4 +1,27 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
+#
+# Copyright (c) 2024 Stormux
+# Copyright (c) 2010-2012 The Orca Team
+# Copyright (c) 2012 Igalia, S.L.
+# Copyright (c) 2005-2010 Sun Microsystems Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., Franklin Street, Fifth Floor,
+# Boston MA  02110-1301 USA.
+#
+# Fork of Orca Screen Reader (GNOME)
+# Original source: https://gitlab.gnome.org/GNOME/orca
 
 """Test of ARIA alert presentation."""