Use python3 explicitly in all python scripts

src/journal-remote/log-generator.py

@@ -1,5 +1,4 @@
-#!/usr/bin/python
-from __future__ import print_function
+#!/usr/bin/python3
 import sys
 import argparse
 

test/rule-syntax-check.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 # Simple udev rules syntax checker
 #
 # (C) 2010 Canonical Ltd.

test/sysv-generator-test.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 #
 # systemd-sysv-generator integration test
 #

tools/gdb-sd_dump_hashmaps.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.

tools/make-directive-index.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.

tools/make-man-index.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.

tools/make-man-rules.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.

tools/xml_helper.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 #  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
 #
 #  This file is part of systemd.