Fix license notice.

damienflament · damienflament · commit 7bed39baa1a6 · 2020-01-17T18:01:49.000+01:00
diff --git a/travis-python.bash b/travis-python.bash
@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
+# Copyright © 2020 Damien Flament
+# This file is part of temptree.
 
 # http://redsymbol.net/articles/unofficial-bash-strict-mode/
 # set -euo pipefail
