issue_comments: 1003782259

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https://github.com/pydata/xarray/issues/4476#issuecomment-1003782259 https://api.github.com/repos/pydata/xarray/issues/4476 1003782259 IC_kwDOAMm_X8471IBz 8833517 2022-01-02T22:03:22Z 2022-01-02T22:03:22Z CONTRIBUTOR

Using git bisect and @zxdawn's example, I've narrowed it down to commit bdcfab524e.

I'm guessing the exact culprit is the removal of argmin and argmax from NAN_REDUCE_METHODS in xarray/core/ops.py because dedicated implementations were added for Variable/DataSet/DataArray.

 
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