html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/issues/4826#issuecomment-780900086,https://api.github.com/repos/pydata/xarray/issues/4826,780900086,MDEyOklzc3VlQ29tbWVudDc4MDkwMDA4Ng==,39069044,2021-02-17T22:36:08Z,2021-02-17T22:36:08Z,CONTRIBUTOR,"I ran into this as well with the basic netcdf backends: ```python import xarray as xr ds = xr.Dataset( data_vars={""foo"":([""x""], [False, True, False])}, coords={""x"": [1, 2, 3]}, ) ds.to_netcdf('test.nc') ds = xr.load_dataset('test.nc') print(ds.foo.dtype) ds.to_netcdf('test.nc') ds = xr.load_dataset('test.nc') print(ds.foo.dtype) ``` Gives: ``` bool int8 ```","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,789410367