issue_comments: 464188585

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https://github.com/pydata/xarray/issues/2770#issuecomment-464188585 https://api.github.com/repos/pydata/xarray/issues/2770 464188585 MDEyOklzc3VlQ29tbWVudDQ2NDE4ODU4NQ== 1217238 2019-02-15T20:29:25Z 2019-02-15T20:29:25Z MEMBER

The problem seems to come up for scalar datetime64 arrays: ```

xarray.Variable((), np.datetime64('2000-01-01')).count() -1 ```

 
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