issue_comments: 762438483

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https://github.com/pydata/xarray/issues/4822#issuecomment-762438483 https://api.github.com/repos/pydata/xarray/issues/4822 762438483 MDEyOklzc3VlQ29tbWVudDc2MjQzODQ4Mw== 40218891 2021-01-18T19:39:34Z 2021-01-18T19:39:34Z NONE

You might be right. Adding -k nc4 works when string is removed from attribute specification. If it is present, the error is as before: AttributeError: 'numpy.ndarray' object has no attribute 'split'.

However, after changing my AWS script to ``` import s3fs import xarray as xr

s3 = s3fs.S3FileSystem(anon=True) s3path = 's3://wrf-se-ak-ar5/gfdl/hist/daily/1988/WRFDS_1988-04-23.nc'

ds = xr.open_dataset(s3.open(s3path), engine='scipy') print(ds) ` the error isTypeError: Error: None is not a valid NetCDF 3 file``.

 
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