message: Workaround items/iteritems difference between Python2 and Python3
diff: @@ -335,7 +335,7 @@ def g(x):
  def print_keyword_args(**kwargs):
  # kwargs is a dict of the keyword args passed to the function
  - for key, value in kwargs.iteritems():
  + for key, value in kwargs.items():
  print "%s = %s" % (key, value)
  