Make sure to import print_function wherever we use print()

contrib/pi-temp-log

@@ -30,6 +30,8 @@ to read your system temperatures will be hardware specific.
 
 """
 
+from __future__ import print_function
+
 import time
 
 now = int(time.time())

contrib/temper-temp-log

@@ -28,6 +28,7 @@ Sample crontab usage:
 
 """
 
+from __future__ import print_function
 
 import time, subprocess
 

wafhelpers/check_libevent2.py

+from __future__ import print_function
+
 from waflib.Logs import pprint
 from wafhelpers.tool import check_sanity
 

wafhelpers/configure.py

+from __future__ import print_function
+
 import sys, os, platform
 from waflib.Configure import conf
 from wafhelpers.probes import *

wafhelpers/dist.py

+from __future__ import print_function
+
 from os import path
 from shutil import copyfile
 from os.path import exists

wafhelpers/test.py

+from __future__ import print_function
+
 from waflib.Logs import pprint
 
 def test_write_log(ctx):