issue_comments: 136812613

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https://github.com/pydata/xarray/pull/551#issuecomment-136812613 https://api.github.com/repos/pydata/xarray/issues/551 136812613 MDEyOklzc3VlQ29tbWVudDEzNjgxMjYxMw== 1217238 2015-09-01T17:58:35Z 2015-09-01T17:58:35Z MEMBER

@jhamman The problem is these lines in Dataset.__getitem__: https://github.com/xray/xray/blob/v0.6.0/xray/core/dataset.py#L615-L619

We should probably be checking for is_hashable(key) instead of converting to an ndarray, where is_hashable looks something like this: http://stackoverflow.com/a/3460725/809705

 
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