old_contents: from checkio_referee import RefereeCodeGolf, representations
  
  
  import settings_env
  from tests import TESTS
  
  cover = """def cover(func, data):
      return f(tuple(str(x) for x in data))
  """
  
  
  class Referee(RefereeCodeGolf):
      TESTS = TESTS
      ENVIRONMENTS = settings_env.ENVIRONMENTS
  
      DEFAULT_FUNCTION_NAME = "golf"
      DEFAULT_MAX_CODE_LENGTH = 250
      BASE_POINTS = 15
      ENV_COVERCODE = {
          "python_2": cover,
          "python_3": cover,
          "javascript": None
      }
      CALLED_REPRESENTATIONS = {
          "python_2": representations.py_tuple_representation,
          "python_3": representations.py_tuple_representation,
          "javascript": None
      }
  
new_contents: from checkio_referee import RefereeCodeGolf, representations
  
  
  import settings_env
  from tests import TESTS
  
  cover = """def cover(f, data):
      return f(tuple(str(x) for x in data))
  """
  
  
  class Referee(RefereeCodeGolf):
      TESTS = TESTS
      ENVIRONMENTS = settings_env.ENVIRONMENTS
  
      DEFAULT_FUNCTION_NAME = "golf"
      DEFAULT_MAX_CODE_LENGTH = 250
      BASE_POINTS = 15
      ENV_COVERCODE = {
          "python_2": cover,
          "python_3": cover,
          "javascript": None
      }
      CALLED_REPRESENTATIONS = {
          "python_2": representations.py_tuple_representation,
          "python_3": representations.py_tuple_representation,
          "javascript": None
      }
  
subject: fix cover