code: def disable_on_env(func):
      
      @wraps(func)
      def func_wrapper(*args, **kwargs):
          # pylint: disable=C0111, C0103
          function_name = func.__name__
          VALIDATORS_DISABLED = os.getenv('VALIDATORS_DISABLED', '')
          disabled_functions = [x.strip() for x in VALIDATORS_DISABLED.split(',')]
  
          force_run = kwargs.get('force_run', False)
  
          try:
              value = args[0]
          except IndexError:
              raise ValidatorUsageError('no value was supplied')
  
          if function_name in disabled_functions and not force_run:
              return value
          else:
              updated_kwargs = {key : kwargs[key]
                                for key in kwargs
                                if key != 'force_run'}
              return func(*args, **updated_kwargs)
  
      return func_wrapper
docs: Disable the ``func`` called if its name is present in ``VALIDATORS_DISABLED``.
  
      :param func: The function/validator to be disabled.
      :type func: callable
  
      :returns: If disabled, the ``value`` (first positional argument) passed to
        ``func``. If enabled, the result of ``func``.