code: def script(klass, args, interval):
          
          if isinstance(args, six.string_types) \
                  or isinstance(args, six.binary_type):
              warnings.warn(
                  "Check.script should take a list of args", DeprecationWarning)
              args = ["sh", "-c", args]
          return {'args': args, 'interval': interval}
docs: Run the script *args* every *interval* (e.g. "10s") to peform health
          check