code: def rewrite_reserved_words(func):
      
      @partial_safe_wraps(func)
      def inner(*args, **kwargs):
          for word in RESERVED_WORDS:
              key = "{0}_".format(word)
              if key in kwargs:
                  kwargs[word] = kwargs.pop(key)
          return func(*args, **kwargs)
      return inner
docs: Given a function whos kwargs need to contain a reserved word such as `in`,
      allow calling that function with the keyword as `in_`, such that function
      kwargs are rewritten to use the reserved word.