issue_comments: 855287336

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https://github.com/pydata/xarray/issues/4821#issuecomment-855287336 https://api.github.com/repos/pydata/xarray/issues/4821 855287336 MDEyOklzc3VlQ29tbWVudDg1NTI4NzMzNg== 5635139 2021-06-05T19:49:24Z 2021-06-05T19:51:19Z MEMBER

Great, agree @dcherian . So maybe we: - Check whether the dim exists (there could be a dim with tuple), which is already done in 1371 below - If it doesn't exist, then check whether it's a string before passing it to _get_virtual_variable below. If it's a tuple, that message can suggest passing it as a list. - Or we do the check in _get_virtual_variable?

python 1366 def _construct_dataarray(self, name: Hashable) -> "DataArray": 1367 """Construct a DataArray by indexing this dataset""" 1368 from .dataarray import DataArray 1369 1370 try: 1371 variable = self._variables[name] 1372 except KeyError: -> 1373 _, name, variable = _get_virtual_variable( 1374 self._variables, name, self._level_coords, self.dims 1375 )

@thomashirtz changing the labels back! Thanks in advance!

 
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