code: def _new_DatetimeIndex(cls, d):
      
  
      if "data" in d and not isinstance(d["data"], DatetimeIndex):
          # Avoid need to verify integrity by calling simple_new directly
          data = d.pop("data")
          result = cls._simple_new(data, **d)
      else:
          with warnings.catch_warnings():
              # we ignore warnings from passing verify_integrity=False
              # TODO: If we knew what was going in to **d, we might be able to
              #  go through _simple_new instead
              warnings.simplefilter("ignore")
              result = cls.__new__(cls, verify_integrity=False, **d)
  
      return result
docs: This is called upon unpickling, rather than the default which doesn't
      have arguments and breaks __new__