# uproot.writing._dask_write.none_to_none

Defined in [uproot.writing._dask_write](https://github.com/scikit-hep/uproot5/blob/d216ae6a2ea5436d9b53a615b9c023860a545c11/src/uproot/writing/_dask_write.py) on [line 198](https://github.com/scikit-hep/uproot5/blob/d216ae6a2ea5436d9b53a615b9c023860a545c11/src/uproot/writing/_dask_write.py#L198).

### uproot.writing._dask_write.none_to_none(\*\_)

Dummy reduction function where write tasks produce no metadata