lkl: python -> python3

The `python` executable is no longer available on most environments

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

Author: AkihiroSuda

arch/lkl/scripts/headers_install.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import re, os, sys, argparse, multiprocessing, fnmatch
 
 srctree = os.environ["srctree"]

tools/lkl/tests/run.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -7,7 +7,6 @@
 # Author: Octavian Purdila <tavi@cs.pub.ro>
 #
 
-from __future__ import print_function
 
 import argparse
 import os

tools/lkl/tests/tap13.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -11,7 +11,6 @@
 # Copyright 2013, Red Hat, Inc.
 # Author: Josef Skladanka <jskladan@redhat.com>
 #
-from __future__ import print_function
 
 import re
 import sys

tools/lkl/tests/valgrind2xunit.py

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