Method _simple_new

pandas/core/arrays/timedeltas.py:228–243

(  # type: ignore[override]
        cls,
        values: npt.NDArray[np.timedelta64],
        freq: Tick | Day | None = None,
        dtype: np.dtype[np.timedelta64] = TD64NS_DTYPE,
    )

    # error: Signature of "_simple_new" incompatible with supertype "NDArrayBacked"
    @classmethod
    def _simple_new(  # type: ignore[override]
        cls,
        values: npt.NDArray[np.timedelta64],
        freq: Tick | Day | None = None,
        dtype: np.dtype[np.timedelta64] = TD64NS_DTYPE,
    ) -> Self:
        # Require td64 dtype, not unit-less, matching values.dtype
        assert lib.is_np_dtype(dtype, "m")
        assert not tslibs.is_unitless(dtype)
        assert isinstance(values, np.ndarray), type(values)
        assert dtype == values.dtype
        assert freq is None or isinstance(freq, (Tick, Day))

        result = super()._simple_new(values=values, dtype=dtype)
        result._freq = freq
        return result

    @classmethod
    def _from_sequence(cls, data, *, dtype=None, copy: bool = False) -> Self: