issue_comments: 777451036

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https://github.com/pydata/xarray/issues/4859#issuecomment-777451036 https://api.github.com/repos/pydata/xarray/issues/4859 777451036 MDEyOklzc3VlQ29tbWVudDc3NzQ1MTAzNg== 5821660 2021-02-11T13:19:43Z 2021-02-11T13:19:43Z MEMBER

@kniperl You can test with #4893. This should fix the bytes issue.

But It seems that converting to string objects is by design (using "netcdf4").

```python coils = np.array(["A", "B", "C", "D", "E"]) test_ds = xr.Dataset() test_ds.coords["coils"] = coils print(test_ds)

<xarray.Dataset> Dimensions: (coils: 5) Coordinates: * coils (coils) <U1 'A' 'B' 'C' 'D' 'E' Data variables: empty

test_ds.to_netcdf("test_netcdf4.nc", engine="netcdf4") del test_ds test_ds = xr.open_dataset("test_netcdf4.nc", engine="netcdf4") print(test_ds)

<xarray.Dataset> Dimensions: (coils: 5) Coordinates: * coils (coils) object 'A' 'B' 'C' 'D' 'E' Data variables: empty

```

 
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